Issuu

TC02345 GRE EN

AN E

2 35 02 TC

RI N

NY ON

STIC

TC02356

359

NE MI

TC0241 2

TC0 235 3

TC02 3 57

TC02316

TC02

TC024 13

TC0 235 7

Right Fork Carter Canyon TC

Ri gh t Fo rk Carte

02 41 1

R CAN CARTE

r Ca nyon

YON

N R CANYO CARTE

Right F Canyo or k Ca nT rt r ibut er ar

anyon rC te ar C For k ht Rig

CA NY ON

MINERA

CA RT ER

TC02355

Right Fork Carter Can yon

343 TC02

EA LEH

RB MA

4 36 02 TC

TC 02 41 9

RRY UA DQ

362 TC02

M Black ountain C ree

S SBURY CAU AN ST

418 02 TC

AMER

IGO

G Dra ov w

el l t W 3.1 en y m utar n er rib T

OU N

TAIN

ell tW y3 men utar ern w Trib v Go Dra

Gov Dra ernm w Tri e b Well y4

BLA C

Dead Cow Dr

TC02420

NDFIL

TE NA

RY AR QU

AL TE R

TCH LA WASA

nt tar u

RIDGE SKUNK

236 TC0

TC0 236 9

6 236 TC0

B LA CK MT N

TC0236

23 TC 0

EWAY

BLACK KNO

TC02415

TC02416

MI N E

26 TC024

E IN

M BLACK KNOLL

424 TC02

T C02371 N MT CK BLA

Go Dr vern aw me Tri nt bu ta

E RC OU

25 TC0 2 4

ROWLEY

DEAD COW POINT

QUARRY

l el W y2 r

TC 02 37 0

374 TC02

S RE

KS JAC ON

ST WE

N ER F CI PA IC

RR S CE AC

e ol To

ty un Co

ck Ja

nD so

BL AC K

raw

y2 tar bu Tri

RE S

re am

OU RC E

MOUNT AIN RES OUR CE

MO UN TA IN

BLACK

EAST PO VERTY POIN T

MTN RESOU RCE CONNECTIO N

EA ST

BLACK

Gove

rnme

YP RT VE PO

NT OI

el l W

ra w

OS GR

LIN

VE RT Y

IN T

I RAD

COW

TC02394

FR ON TA GE

TC02428 B

POVE RTY CU T

OFF

23 9

TC023 97

POVERTY FLATS

ulch Quar ry R o a d G 1 Tr i b utar y

Y RD HA

Gove rnment W e Draw Tributary ll 1

DEAD

LL E

POIN

R OWE OT DE

I-8

I-8 0 EB

0 TC

W B 8 240 TC0

9 38

TC0 240 2

DELL E WEL

TC024 2 8

Hearty Ro ad Gu lch

tary 1 bu Tri

lch

8 42 02 TC

rty Creek Pove y3 Tributar

rty ee Cr

aw Dr

ro a

n so

Ra il

TC 02

ck Ja

TC 02 429

0 TC 87

52 7

TC 0

TC024 03

02 TC

08A TC024

TC 0

h ulc dG oa ry 3 R y uta art He Trib

y1 Cr e ek Tributar

HEARTY

TC02 4 01

02 TC

y arr Qu

TA G

FR ON

02405 TC

EW EAS

Gu lch

I-8 0

Ro ad

406 TC02

404 TC02

Qu a

rry

07 24

LLE

TC02399

Jackson Draw

ulc dG Roa y 2 rty Hea ributar T

TC02400

I-8 0

EB 0 X7

WB X7 0O ND

TC023 95A ELL

F OF DE LL

I80

TC0239

PACIFIC

OL D

F OF

0 X7

Qu ar ry

X70 ON

I-80

UNION

A G O SH

k Poverty Cree Tr ibutary 1

LL RD

t Delle Creek Wes

ee k DE

LLE C E

TOW ER

Hea rty R Trib oad G uta ulc ry 1 h

I-80 FR

ONTA GE

Hearty Road Gulch

ad rty Ro Hea

Gulch

d Gulch y Roa H eart

Iospa Creek

Hearty Road Gulch

Ios pa

Cre

ch Gul oa d arty R u tary 1 He Trib

Iospa Cree k

Tooele County, Utah Hydraulic Work Maps Panel 1 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

Note: This map is not an official Flood Insurance Rate Map and the data presented on this map is draft for planning purposes only, to be used as best available data where applicable. Floodplains in Tribal Lands are excluded from this study. Aerial photography sourced from 2024 NAIP. Floodplain tie-ins to effective flood hazards, BLE (Zone A), and Great Salt Lake coastal data have not been completed. Floodplain delineations are draft and subject to change during modeling reviews and further refinement will be done during Floodplain Mapping.

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

TC024 13

K STIC EN GRE

TC0241 2

TC02316

N R CANYO CARTE

CANYON CARTER

TC02 41

Right F Carter C ork anyon

y Ba y ur sb y 2 St a n tar u Tri b

R ight Fork Ca rter Canyon

MINERA

CA NY ON

CA RT ER

TC02381

Right Fork Carter Can yon

STANSBURY CAUSEWAY

S EN GRE K TIC

k Mountain Blac Cr ee

STANSBURY CAUSEWAY

TC02383

TC02382

St a n sbu ry Bay Tribut a ry 3

Ca l na 3

Dead Cow Dr

NDFIL

TCH LA WASA

K AC BL

GREE

D EA DC OW

PO INT

BLACK KNOLL

ICK

N ST

BL AC K

MO UN TA IN

EAST POVERTY POINT RE

SO UR CE EAST PO VE RTY P

T OIN

MTN RESOU RCE CONNECTIO BLACK N

VE RT Y

PO I

POVERTY FLATS

DEAD

TC02394

COW PO

INT

LIN

OFF

23 9

POVER TY CU T

C anal

TC 0

rty Creek Pove y3 Tributar

rty

0 TC

prings Delle S butary 3 Tri Creek

Toole County Stream X

ee Cr ROWLEY

TC 0

240 2

l1 na

0 TC

87 23

ON DP

EW EAS

GR ON DP OO

W ASE

GRE

NIckerson Gulch

Pool Ditch

TC02395A

k Poverty Cree Tr ibutary 1

TC0239 5

t Delle Creek Wes

UNION

I-80 FR

PACIF

IC RR

Ca na

ONTA

Lone Roc k

I-80 EB

I-80 WB

lch d Gu Roa De Cre lle Sp ek r Trib ings ut ar y

TE WA

PICKL

EWEE

I-80 WB X7 7

SR 196

I-80 E B X7 7 OF

AQ U UED

F SR

I-80 X 77 O FF S R

196

I-80 EB X77 ON SR 196

NG RI

B IG

LO OK

IN G SP R

I-80

HIGH

WAY 19

LANDMARK

Iospa Creek

Iosp a

Cr e

OW RF

ACCESS

D Cree elle kT

Spr ut rib

UNION P ACIFIC RR

in g ary s 3

H ea rty

Cre ek

TC02690

ER OV

0 23 03 TC

Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

TC03233

BIG

Phase II Study Stream Reach

NG RI

Corporate Boundary

R LE

1 TC0269

Tooele County, Utah Hydraulic Work Maps Panel 2 of 38

32 32

0 TC

TC02689

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

STANSBURY CAUSEWAY

STANSBURY ISLAN 229

TC03

y Ba ry bu 4 n s ry Sta b uta Tri

Pool Drain Canal 2

Evap Drain

Canal 5 Pool Ditch

SOLAR

To o

Va l

St re am

MED NNA ND U STANSBURY ISLA RD 17791

SP R

ING

I-80

BIG

LO OK

Salt Canal 3

ER OV

0 23 03 TC

TC02689

I-8

I-80

0E B

Salt Canal 4

RB LE

TC03 23 3

l Sa

an tC

K 32 EC C0 T

Salt Canal 4

Tooele County, Utah Hydraulic Work Maps Panel 3 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Salt Canal 1

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

SOLAR

ST ANS B

U RY ISLA ND

Evap Drain

Tributary 2.2 Salt Lake

tar bu Tri

Sa l

ak e

Tr ib

ar y

l Sa

e ak tL

al 4 an Salt C

Salt Canal 1

Tooele County, Utah Hydraulic Work Maps Panel 4 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

X7 0O N

LL RD

We s

HEARTY

Jac kso n

GOSH AW

LLE C EL

Dr aw

UNION PA

CIFIC

LT OW ER

I-80 FR

ONTA GE

CE D

AR S

UM M IT

reek ell e C tD

ROWLEY

Poverty Cree

DRUMSTICK

reek rty C 1 y ve Po ibutar Tr

G O SH

I-80

DEL

Cr eek

0 X7 B RD W L 0 EL I-8 F D OF

Quar ry

I-80 WB

Hea rty Trib Roa u ta d Gu ry 1 lch

I-80 EB

art y

Ro a

d Gu lch

OL D

NA G

Hearty Road Gulch

ad rty Ro Hea

d Gulch y Roa H eart

Gulch

ch Gul oa d arty R u tary 1 He ib Tr

aC sp Io

e re

Hearty Road Gulch Tributary 1

TC0 253 5

E IAN F IND

IN D

IAN FEATHER

ER ATH

AN WR

ER GL

CH GUL LER NG RA W

LCH GU E LL

CEDAR LO OP

Del Cre e le S k T prin rib gs uta r

Wes IN GS

ek Cre lle y 2 De utar t s ib We Tr

ek C re 1 elle t D butar y i r T

HA ST

PA SS

LS OL KN

Delle Springs Spli t

DAR

ROUT E FO UR

SK UL L

VA L

LE Y

KNO LLS

EAST CE

CEDA RM OUN TA IN

SKULL VAL

L EY KNOLLS

EY LL VA LL SKU

ot Trib tom uta C re ry e k 1

ek Cre

Ro c

c Ro

om ott kB

DA R

TAIN

ek r e .1 gs C rin tary 2 p u S e l l ib De Tr

HENR SPRIN Y

H OS

E ON

NR YS

PR IN

CU T

OF F

k Cree nite Gra utary 1 Trib

HA ST

4 TC02452

D ell e Spr Tribut ings ary Cr 3.1 eek

P UP

Delle S Creek pring Trib s uta ry

TC02547

Gra ni te

Cr e ek

Tooele County, Utah Hydraulic Work Maps Panel 5 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

Povert y Cree

lle Springs De Creek Tributary

UNION

Cr ee

ROWLEY

ulch ad G y Ro H eart

Delle Spring s Creek Tribut ary 1

L OW

TE WA

PICKL

UNION P ACIFIC R R ACCE SS

ul ch

IC RR

I-80 WB

I-80 EB

G ad 1 Ro ary rty ibut a He Tr

Lo ne Ro ck

PACIF

Ca na l

I-80 FR ONTA

West D elle Cr e

EWEE

I-80 WB X77

I-80 E B X77

SR 196

OFF S

I-80 X 77 O FF SR R 19 6

196

NG RI SP

IN G SP R

I-80

B IG

LO OK

I-80 EB X77 ON SR 196

TC02690

ER OV

0 23 03 TC

NG RI

BIG

TC02689

2 23 03 TC

TC03 233 TC 03

692

2 TC0

TC02691

gs rin Delle Sp y 3 ta r ek Tribu Cre

TC03234

UED AQ

TC 0

EA LAK DRY

T UC

ESS CC

LANDMARK

RB EC

694

RY AR QU

2 TC0

c Lone Ro k Creek Tributary 1.1

R ne ut Lo Trib

PIE TI M

BIG SP

RIN

oc ar k C y 1 ree

Y DR

TC026

STAN

SBUR Y GR AVE LP

TC 02 68 5

KE LA SS CE AC R LONE

OCK

TC 02697

TC02698

LON

TC0 27 09

LON E

W CK 4 RO

Del le

LO N

RO C

4W D

ek Cre

ring sS

TC02709A

K 4W ROC NE LO

West Del l e

pl i t 2. 1

LO NE RO C

E RO

Cr De ee lle k Tr Spr ibu in ta gs ry 2

Cr Ti m pi e ee k Trib Valley ut ary 1

Lone Rock Cre ek Tributary 2

6A 68 02 TC

02 710

TC 02 7

TC 02 68 6

HUN

TING TC03242

TC 0

We st Delle Cr eek

TC03241

LANDMARK

7 02 TC

FENCELINE

NE LO D 4W CK RO

FEN

FENCELINE

INE CEL

HIGH

WAY 196

Delle S prin gs Creek Tributa ry 2. 2

Broons

Tributary 1

S nt

in pr

Cr ee

2 TC0271

FENCELINE

POWERLINE

FENCLINE

TC02715

TC0271 4

TC02717

Cr e

e Cre

k ee Cr ing .1 1 Spr rnt tary Bu Tribu

om ott

C r Bur ee nt k T Sp rib ring u ta ry 1

AT KR US M

Delle Springs Split 2.1

a Iosp

POWERLINE

M usk

rat Can yon C

r eek

TC02721

eek s Cr ing .1 le Sp r D el bu tary 2 Tri

C ATT TROU LE TC 0 2723

4 72 02 TC TC 0272 9

TC02728

Muskrat Canyon Creek Tributary

TC027 27

TC02730

N NYO N MUSK RAT C A

MU SK R

TC 02 7

AT C A MU SKR

H FORK RT NO

ON NY

N F

Delle S p Creek T rings ribu tary 4

TC02725

le Sp r Tribut ings ary Cr 3.1 eek

TC 02 7

oo Br

oo ns C

rt h No

So uth

Can yon

NS OO BR

ns roo ry 1 a th B Sou Tribut yon Can

D el

any on

G Tri ranite Cre ek butary 1

Gra n ite Cre e

TC0 2764

Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

TC 0

TC0 2

760

66 27

TC02763

66 TC027

Corporate Boundary

HORSESHOE SP R INGS

TC02765

k 2762 TC0

Tooele County, Utah Hydraulic Work Maps Panel 6 of 38

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

TI MP I

TIM PIE

Rock Bott om Tri b Cre ut e k ar y1

TC02711

Bur

B ck Ro

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

Y LL E

LE Y

l Va a pie ibut Tim k Tr ee Cr

Tim pie Va lle

le ry y 4

ree k

Broons Tributary 1.1

L VA

Ca na l5 WATERFOWL

SOLAR

Salt Canal 3

I-80 X 77 OFF SR 19 6

B IG

LO OK

G SPRIN

IN G SP R

I-80

B IG

ER OV

0 23 03 TC

TC02689

B IG

IN G SPR

Salt Canal 4

t al

2 23 03 TC

URY ISLA ND

Salt Canal 1

233

STAN SB

TC03

Salt Canal 4

TC02692

TC 0 STANSBURY GRAV EL PIT

TC03234

I-80

I-80 EB

I-80

Tim

pie

Ditc h

BE C

Ti m p lley Timpie Va ek Tributary 3 Cre

e Cr

ey 2 ry

y le

Cr Tim ee p k ie Tr V ib all ut a

TIMPI

C0 26 9

l Va

Frontage Ditch

ball

Timpie Valley Creek Tributary 1

Stre

Kim

HIg hway EL L

Vall ey

Can yon

RY AR QU

Too le

E TC0 32 26

I-8 0W

BX 84

13 8

Salt Lake Tributary 1

I-80 W

yon l Can bal ry 1 Kim ributa T

84 F OF

13 8

Broad Canyon

R S OLA

TIMPIE

I-80 EB X84

OFF SR 136

I-80 EB X84

38 SR 1

n nyo Ca 2 ll ary a b t m bu Ki Tri TC03241

TC03242

2 yon Can ad Bro

Broad Canyon 3

DOLOM I

Va pie ibut Tim k Tr ee Cr

Broa d Trib Canyon utar y1

lle ar y y4

TIM P

IE V ALLEY

yo an ll C ba K im

TC03246

0 TC

TIM P IE

IN ST HA

324

0 TC

Y LL E

F TO CU F

ST HA

49 32 T C0

GS FF TO

ut ar y

F OF UT

I ST HA

250 TC03

Trib Broons

Broad C an y AL Y-LEFT FORK TI M PI E V L E

on Tributa ry 1

MackCany o nCreek.1.2.1

Mac k

TC03251

reek onC ny a C

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Tooele County, Utah Hydraulic Work Maps Panel 7 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

PICADILLY

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CHAM

Tooele County, Utah Hydraulic Work Maps Panel 8 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

M ID 17 9 Y

Y1 WA

SHEEP

Railroad Creek

N EN

COOLEY

615 L

NT CE

HALE

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600

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S IN

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ek Cre

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nCreek.2.1 nyo eCa Pop

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WARR

PICADILLY

CO EY

N HO

PHEASANT RUN

PIONEER ROSE

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

Y WA GH

yon Can nt me plit Settl e ek S C re

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Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

OF F

Rogers Canyon Creek X9

9 I-8

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Pole Canyon Creek 36 SR N 9O

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Sixmile Creek

TC03715

d me

k.1 .2

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Fishing Creek

TAFT

B IG

CANYON

Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

le oe To

PEBBLE

.1 k.1

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STONEY MOUNTAIN

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Cre ek

LAKE POINT

EN OW

r ee

ROCK HOLLOW

SPRING ILA

OCK

HR HIG

C O R E YS

CLUFF

ry Sixmile Creek Tributa

MOUNTAIN VIEW

MONUMENT ROCK

Willow Creek

SU NS E

RICH ROCK

Warm Sp rings S l

Bates Canyon Creek

S CANYO N GER RO

TC03 59

STRASSER

Big

BigCan yo n C

PARKER

PALOMINO

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ou gh

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k RogersCa ee nyo nC r

SHELBY

IRON HORSE

.2 CO LE

nCreek nyo Ca

e Ca

SHEEP ROCK

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k.1

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S ACCES

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DD SA

Lago Ditch Tributary 2

nyo

GA RF

y Co

FARN S W

I-8

reek.1.2.2

yo an rsC

1 .1. k.1

Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

.1.1 TooeleUnnamedSt ream7

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ME R

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JP AL

itch

ame dStr eam 8

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Lag

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Lago Ditch Tributary 1

35 9

am 2

L AU

H OT

2.1

Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

D RI

CANYON VIEW

N IO UN

F CI PA

605 TC03

SS CE AC

Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

HIGHLINE

CL UB

TC 0

CAM UB

COUNT RY CLUB

COUNTRY CLUB

TR Y UN CO COUNTRY CLUB

RI NG S

TC 03 62

RY CL

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DROUBAY

COUNTRY CLUB

BRIENNE

TC03613

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MINK

HARVEST

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TC03 610

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INTERLOCHEN

HOME RUN

SHEEP

C Y R NT OU

C OUNT R

MANCHESTER

CULROSS

N POI EN GL

Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

TRY CL UB

HEIDELBERG

le oe To

COUN

SHAMROCK

6 03 TC

POIN

COUN T

MI LL ER

P ole Can yo n Cree k

TC 03 62 3

SOMEREST

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2 62

GL EN

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604 TC03

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COUNTRY CLUB

ARAGON

Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

T UN

CHERBOURG

CHARLEY

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POLE CANYON

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TRY CLUB

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re am 3

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UN TR YC

WINDSOR

STRASBOURG

LUB YC TR

GLA

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nn am ed

TRY CL UB

B CLU

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SPY

2. k.

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GATEWAY

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Ca ny on

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B LU YC

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BA S AN ST

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PEBBLE BEACH

MISTY BROOK

FOOTHILL

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IEW

KS OA

Railr oad Creek

AN AM BE S ES RG

OM KE

V KE LA

2022 Draft 1%-Annual-Chance BLE Results (Zone A)

2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot

E DE ER

MERION

NAUTICAL

PREAKNESS

DERBY

2025 Draft 0.2%-Annual-Chance Flood Zone

CR YS TA L

Y TR UN

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2025 Draft 1%-Annual-Chance Flood Zone (Zone AH)

CRYSTAL B

B CLU

raw

2025 Draft 1%-Annual-Chance Flood Zone (Zone AE)

Y NTR

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CL NTRY UB C OU

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nyon Ca it (PH) d le Spl Mid e k Cre

2025 Draft Floodway

IEW

GAL LE

MORNING GLORY

eek

Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information

CO UN TR Y

LUB YC TR

yon Can nt t me pli Settl e ek S Cr e

Phase II Study Stream Reach

EVIE

EV LAK

MA N

BEACH TRE E

TR YC

DO R Y

OA TS

CLUB

BATES CANYON

yon Can dle Mid

Corporate Boundary

LAK

KEEL

R VOYAGE

BRIDLE

8 13

Tooele County, Utah Hydraulic Work Maps Panel 9 of 38

GASCONY

Sixm i le Creek

ND CO

N TSMA CH YA

MORNING VIEW

D ON

K LA

V KE LA

IEW EV

STERN

ANN

LAK

DELANCEY

S UNNY RISE Toms La ne D

E VI KE LA

WARBLER

BROOME

P LL MI

VI KE LA

BRIDGE

HOLLAND

AMSTERDAM

IRIS

KINGFISHER

LA KE VI E

OA GEN

AS S

L HU

PEREGRINE

LAKESIDE

BATTERY PARK

REGATTA

RR Y

R KE NA

S AS DL IN

JU NE

N STO PRE

EC CA

PIER

1 AY HW

MU L

ING BL AM BR

SPARROW

RI B

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H YS BA

LAK

IE EV

IEW

WK HA

H RT

E AT W

ON ST OU

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K AU NT MO

NIG

P EE

E OR

IEW W EVIE LAK

ON E

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B IZA EL

K AC MM CO

r po Air

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uta

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rib tT

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WIL

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IVE

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CENTER

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MIN

XC BO

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SID

AR ST

C on

VAL LEY POINT

KIN

S CK

SP DIG

LLU

CL EA R WATER

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ent tlem S et

TY LEF

reek Railroad C

HID

H IG

RIN

ATT PR

ELIZ

ST CA

G BI

TT CO

N VA

MO OR

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CARLSON

HIGHWAY 36

ROCKWOOD LS FO

ANGELL

Can C y

te oyo Creek on

H OT

LAKE POINT

BLUE MOON

LAKE VISTA

RO BL AC

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

E PL M TE NO RT H

0 I-8

SA LT AI

FF 104 O WB X

20 2

I-8 0W BX

10 4O NS

I-80 E

B X104 ON SR 202

I-80 EB X104 OFF SR

202

HI AY W GH 20

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0 I-8

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Rogers Canyon Creek

COVE ER

Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

WEIR

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OCK

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AC C

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Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

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ON ANY EC PO L

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Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

CLAYTON

Tooele County, Utah Hydraulic Work Maps Panel 10 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

NEWMONT

ACCESS

I-80 EB X 99 OF F

FARN S W

FIC PACI

1 2. 1. k.

yo an rsC

Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

N UNIO

e re nC

Ro ge

R EATH

35 00

ame dStr eam 8

LAKE POINT

any o

JP AL ME R

D EN

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HA RD Y

LAKESHORE

el e Too

AY 36 HIGHW

Ro ge r

GA LB B

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

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Tooele County, Utah Hydraulic Work Maps Panel 11 of 38

ick

L ost

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Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

TC027 29

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Big Creek

Tooele County, Utah Hydraulic Work Maps Panel 12 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

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Tooele County, Utah Hydraulic Work Maps Panel 13 of 38

TC03403

TC03402

F R O NT

TC03403A

R SBU AN

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

MOBILE HOME

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9 32 03 TC

8 32 03 TC

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2180

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TC03374

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TC03686

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TC03370

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0 TC

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k. 1. 1. 2. 2

WELLES CANNON

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PLUM

.1.1.2.1.1.1.2.1.2

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0 TC

TC03540

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TC0 35 33

Cr e yon Can

RI C

SAGE WOOD

PONY

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NAVA

LOVE

BANN E R

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KOESTER

CHIEKEZIE

CHIMNEY ROCK

CHA D

WRATHALL

CLARK STREET COURT

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WRATHALL

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WRATHALL

ALLIE

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TC03326

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TC03323

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0 TC

80 34

DA RY UN BO

0 TC

82 34

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TC03420

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ACCESS ROAD

Box Eld e Tribut r Was ary 2 h GR EA S

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2 41

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Cr ee

7.1

TC03413

p ot

TEAD RD 17757

BOX ELDER

Depo t

TC03412

Cre ek

B ox Elder Wash

TC03415

sh er W a Eld ox ibuary 1 r

OUNTAIN SOUTH M

OLD ARMY DEPOT

TC03403

TC03402

TC03403A

Box Elder Wash Tributary 1.1

AIN OLD SOUTH MOUNT

39 4

TC 03

OLD ARMY DEPOT

BAUER

6 38 03

Corporate Boundary

tC po

TC03 38

Tooele County, Utah Hydraulic Work Maps Panel 14 of 38

95 TC033

Box Elder Wash Tribuary 1.3

GRAVEL SITE

r ee

TC0338

S ECTION LINE

S Cr ilco ee x k Ca Tr n ib yo ut n ar y 2

OUTH OLD S

8 40 03 TC

TC03409

IN OUNTA

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

DANBUR Y

COUN T

COUN TRY CL UB B UB

sCanyonCreek.1.2.1.2 Ba t ate .1.1 Ca .1.2 n yo nCreek

HOME RUN BLOSSOM

Ba te

EVA

BALL PARK

ENGLAND ESTATES

te Ba

36 27

2 ek.1. nCre nyo a sC

. 4.2.2.1

nCre nyo sCa Bate CLAYTON

.2 1.1 on C r ee k .4.

Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

DREAM WEAVER

DREAMERS

SKYL

WARR

ELK

LUCKY

FENWAY

HIGHWAY 36

COCHRANE

WHISPERING HORSE LE

03 64 2

LE PO

2125

2180

8 63 03 TC

TEALBY

ROSE SPRINGS

BRINLEE

ERDA

RAILROAD

LIDDELL

AIRPORT

EVANS

GOLDEN GARDEN

PALMER

PAINT HORSE

ROW BERRY

DIAMOND

MOONLIGHT

OQUIRRH BLUFFS LOWER

BRYAN

ERDA

Creek

BEEHIVE

HIDDEN A CRES

PONY

nyon Bate s Ca

CAN YO N

Ba te

sC an yo

Ba te

es C anyonCreek

1 .3.

BATES

OLE LINE

GH HI

Bat

Cre on ny a C

ree dC ilroa Ra

HERITAGE

OLD RANCH

ALAN

CHURCH

INE

CLOVER

sC an y

AUTUMN

SELMA

COCHRANE

HARVEST

MINK

eek.1.2.1 onCr any e sC

Ba tes

C re Bates Can yon

k. 4.1

.1.1.2

.2.2

HAZEL

W BU RY

BatesCanyon Cre e

TC 0

OSWEGO

nC re ek

HEIDI

CAMBRIDGE

Clipper Ridge Draw

STRATF OR D RABBIT

o n Cr e e k .1

PRESTWICK

Creek.2.1.1.2.1 n y on

t es Ba

TC03629

eek nCr

nCr e ek Canyo

AUGUST

STRATFORD

BEDFORD

.2 BATES CANYON .2.1

n Ca tes Bate a sCa B

NICOLE

Y1 WA

TC03 622

KET CRIC

VENTURA

ABERDEEN

TOMS

a ny

BRIARWOOD

C HARLEY

COUNTRY CLUB

INSBRO

RO CHE LLE

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W AY

SOMEREST

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e re

G HGATE

COVENTRY

ASHLEE

HORSESHOE ROMA

COVINGTON

WIL LS

TC03637

2 36

MAPLEWOOD

ST E R

GLEN SANT P H EA

WINCHE

VENTURA

3628 TC0

0 TC

WARLEY

SUNNY BROOK

PA RA CH UT

CHARLEY

PETERSEN

IRONWOOD

LOURDES

ICK

VA LL E

POLE CANYO N

Tooe le UnnamedStrea m1

HAMPTON

HEIDELBERG SHAMROCK

CHISW

M ID

COUNTRY CLUB

BRIENNE

LORRAINE

LUCERNE

CULROSS

MAGNOLIA

MORNING GLORY

Sixmile Creek

YON CAN LE PO

R NT OU

INTERLOCHEN

BRIDLE

17 9

MANCHESTER

ARAGON

BATES CANYON

ilr oa d

C OUNT R

WEST SP RING S

RY CL

CL UB TR Y

SANDHILL

OAKMON T

GENEVA

ARDENNES

CHERBOURG

Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

T CA LE PO

HEATHER

STRASBOURG

362 3

TC03622

COU NTR YC LU B

RY CLU B

NT CO U

TC 03 62

TR YC LUB

RY CO UN T R

ESS

MI LL ER

ON PA TC CI F IC 03 60 A CCESS 4

CALAIS

STREAMS EDGE

ER OS A

GLA

INV ERN

VILLAGE

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LANYARD

BELMONT

PEBBLE BEACH

MISTY BROOK

PO ND

CLU B

UN TR YC LU B

CO UN

COUNTRY CLU B

YACHTS MAN

LIGHTHOUSE

SP Y

TR YC

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SCA RLE T

COU

SHADY BROOK

WINDSONG

KETCH

CANAL

MAST

POPPY

HO RI ZON

ROC

BAYSH OR E

COLUMBUS

BLEEKER RS

REN

PARKVIEW

CHAMBE

EE N

MA NH

WIC H

AT TAN

NOE TIPPECA

DUK E

TIMBER

KESTRE L

SWIFT

EN P

CLU B

COUNTRY CLUB

AW NSH

GOLDFINCH

TAIL

GOLDFINCH

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SAGEWOOD

GRAY HAWK

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CRE

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DERBY

n yo

HIGHWAY 179

MERION

GASCONY

Cr ee

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KS OA

PREAKNESS

raw

8 13

1. 1. 1. 1. 1. 2

NAUTI CAL

BEACH TRE E

RW FAI

WARBLER

COVE

HELM

n ent C a Settlem

Y WA

MORNING VIEW

S UNNY RISE Toms La ne D

PIER

DO R Y Bat esC BOAT EY GA L L an SMAN yo ANN n F

MIN ER

AS S

KINGFISHER

BROOME

DELANCEY

COUNTRY CLUB

R VOYAGE

k.1 Cree

RR Y

AMSTERDAM

UN I

GL T RY

0 TC

HO US TO N

BATTERY PARK

CO UN

CO UN TR Y

NT POI EN GL COUNTRY CLUB

GA TT A

STERN

HOLLAND

IRIS

SPARROW

EC CA

CHRISTOPHER

H ET AB

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utar y

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Air

or t

NIG

LIN

SPIRAL SPRINGS

NELSON

CAMPBELL

GUNDERSEN

MARSHALL

570

COUNTRY

3700

L PO

Y ATES SPRING S

n Creek Flood Canyo D

ARROWHEA

TC 03

6 43

CIMMARRON

OY L

MURRAY CANYON

1200

750

SHEEP

3560

ur ch wo od D

ra w

BLU F

LO QU

TANGLEWOOD

ER W

HIDDEN PEAK

3390

Middle Canyon Creek

CORNER CANYON

3460

Floo

n Creek anyo dC

PASS CANYON

GOLF COURSE

GRANTSVILLE

C AN Y

RUNOF F ON

O BR

PRONGHORN

OD FLO

NZ D

ER LL MI

DROUBAY

MILLER MOTORSPORTS PARK

RSPO TO MO

ER TIG

Pin e

Cre ek Tr

TC03 652

RK RTS PA

TC03 7

WENDELL

ibutary

BROOKFIELD

03 TC

N MEA GREE

S DOW

Cre ek

CHU R

hin g

MOUNTAIN GLEN

TC0368

Fis

CHWO OD

N CA SS PA

64 TC03

SPRING CANYON

540

250

210

BLUE PEAK CONIFER

490

650

690

490

600

1120

NY DE

LI NDY

1480

1430

1340

1300 1250

FOX RUN

1380

WHITAKER

580

620

560

800

EM MA

N SO ER

690

620

520

FORK 780

800

PLATEAU

DELTA

MAYO

BLUERIDGE

EASTRIDGE

SEAGULL

CHATEAU ALLEY

880

LAKEVIEW

NOBLE

840

ANTELOPE

OVERLAND

690

BROADWAY

630

570

SEVENTH

SIXTH

FIFTH

FOURTH

BENCH VIEW

P JE E

PO L

1230

1335

VELA

S 800

EP JE

1350 BRANDY

HAYLIE

1400

OAK

EP JE

N GH NO O HI

T BUFFAL O COMPLEX RDS

1330

1370

1430

1290

DROUBAY

LISA

BEVAN

DEER HOLLOW

MAPLETON MOUNTAINEER

PAR KH

GORDON

NOTTINGH AM

ILL

JEEP

1 250

BENCH MARK

GST ON

KIN

TANNER

BUZIA

LEX

NIS

RD S

QUEBEC

COLUMBIA

ALBERTA SIXTH

FIFTH

FOURTH

THIRD

SECOND

200

GARDEN AN YO N

e ss

CA RT

AVALON

430

MARVISTA FIRST

RUSSELL

MAIN VI

N I NG MO R

T HW

810 860

rlin Powe

CAMB RID

730

690

710

MOBILE HOME

480

780

860

940

980

970

930

GRANDVIEW

NORTHRIDGE THIRD

GARDEN 50

100

CAPRI P INE MEAD OW

PIONEER

450

CANYON

425

HOLLY

380

300

N YON

450

500

525

640

740

790

WILLOW WOOD

900

1050

NEWMARK

1050

ACCESS

1010

1050

400

440

280

EASTCREST

FAIRVIEW 270

160 EAST

200 EAST

PARK 100

CARDER

FAIRLANE

320

400

360

ISGREEN

AMERICAN

CENTURY

CONCORD

980

TOO ELE

TC 0

SU PPLY and

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Tooele County, Utah Hydraulic Work Maps Panel 15 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

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Silcox Canyon Creek

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

a Dry Creek

N YO

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TC03622

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TC0362 2

T C03 62 4

Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

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TC03637

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ee Cr on ny

s Canyon Creek Bate S TE BA

te Ba

TC03629

BATES CANYON

nyonCr e ek sCa

BatesCanyonC r eek

Downstream flood hazard delineations are subject to change due to ongoing Alluvial Fan Modeling

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MP CO

T DIR

1400

RD S

T BUFFALO COM P L EX R DS

O FAL UF

X LE MP CO

EX RDS T BUF FALO COMPL

F BU

IEW RV

SKYLINE

UF FAL OC

OK LO ER OV ON NY CA

E RN CO

1430

R DS

TOOELE

T BUFFAL O COMPLEX RDS

PLEX COM

0 27

270

GR IM M HI

CASSITY

700

Powerlin e

ce Ac cc

ess

rlin Powe

CA N MED NA

A ine

s es cc

MID

FO RK

EK RE

rl we Po

DLE

HA ND

CAN YON

YO N

Hand Left

BU TTE RFI EL D

ND F T HA LEF

Fork

K OR

L S e eft ttl H a em nd e nt Fork Cree k

OK VALLEY OVERLO

TOOELE

M Cre Iddle ek b C elow anyon Tooele

E TT BU

Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Tooele County, Utah Hydraulic Work Maps Panel 16 of 38

IE L RF

BU TT E

BUTT E

RFIE L

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

TE STA

4 258 TC0

E RE TH TI UNC HJ UT SO

ul c h THREESOUTH

y ar

y ar ut rib T k

ee Lost Cr

Sp Cre ring C ek T an rib yo uta n ry 1

t Lost Cre ek Trib u

Lost Cree k Tri buta ry

Roa d G Threesound

yon Creek Spring Can

ee Cr

t os

ta r ribu kT

kT r ibu tary

TC0267

Cre e

Tri

L ost

bu ta ry

ek Cre

3 .1

2. 1

TC025 80

st Lo

Lo st

Lost Creek Cr

ri b kT ee

Big Creek

ut ar y

k Tributary 7 Lost Cree

OLE

WATERH

raw

Hickma n Kn oll

VA LL EY

U SO

North Lost

Creek

Middle Lost Creek Middle Lost C reek Tributar

Hi rib

Indian Creek T ck u t ma n ary 1

TC02673

L os

Antelope Creek Tributary 1.1

Antelop e Tributa Creek ry 1

TC 02 57 6

HORSEFLY

HIGHWAY 196

TC02572

dia nH

Antelope Creek

y Cr e

lle Va

an km

ul l

TC0 257 3

TC024 58

Indian Hickman Creek Tributary 2

Hickman Indian y3 ek Tributar Cre

H ickman K n olls Draw

NEW ANTELOPE

SKULL VALLEY INDIAN RES

LO PE

Skull Valley Tribal Lands

W es t ern

Western Stream Tributary 1

Western Stream

Stream

9 245 TC0

We s

ter

nS t ary r m

TC02

460

tream nS

t es b W Tri SO UT H

R DA

w Dra

N AI NT OU M

lls Kno an Hic km

Tooele County, Utah Hydraulic Work Maps Panel 17 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

t Cree

k Trib

utary 8

WILLOW LAKE

Big Pole Creek

Y TH

E RE T UNC HJ UT SO

LE AL HV UT SO

lch ound Road Gu Threes

THREESOUTH

Sp Cre ring C ek T an rib yo uta n ry 1

7 67 02 TC

TC026 76

TC02672

reek Spring C a nyon C

W ILL O HW UT SO

TC0267 5

SOUTH WIL L OW

Big C reek

L ost C ree k

re e

LLOW C WI A

NY ON

k Tributary 7 Lost Cree

Sou

Wi th

TC02

674

6 02 TC

North Lost Cre

e Middle Los t Cr

ek South Lost Cre e k

Middl C reek e Lost Tributar y

Lost Creek T ributary 8

Antelop e Tributa Creek ry 1

A ntelope

HIGHWAY 196

Antelope Creek Tributary 1.1

Ant elope Cree k

Creek

ry rib uta Antelope Creek T Cree k an Hick m an Indi

Indian Hickman Creek Tributary 2

Hickman Indian y3 ek Tributar Cre

Skull Dry Canyon

Skull Valley Tribal Lands

SKULL VALLEY INDIAN RES

AN T

EL OP E

NEW ANTELOPE

Skull Valley Creek 1

k ree yC lle a ll V ku

Skull Valley Creek 4

k Cree lley ll Va S ku

TC0 264 0

4 TC02

U P P ER BARL OW

TC026 41

RI N G SP

yon an C a n Deadm SP RI

Tooele County, Utah Hydraulic Work Maps Panel 18 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

BA R

LO W

SPR

ING

BA RL OW

Deadman Canyon

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

ll ow

SOUTH

W WIL LO

ACCESS ROAD

TC03435

TC03416

TC03 437

38 TC 03 4

TC034 31

3 42 TC 03

43 TC0 3

TC034 34

South Willo

7 343 TC0

4 03 TC

SOU T H W WILLO

w Creek 421

TC03

GATEWA Y

TC03412

WASH

TEAD RD 17757

BOX ELDER

TC03413

SO U

TC03414

BO XE LD

12 03 4 TC

W LLO WI

H AS W

SO U

W TH

OW ILL

GATEWAY

TC03415

ON NY CA

f g For k o k e Minin llow C re So u th Wi

ER BOX EL D

ON CANY

F R O NT

TC03403A

R SBU AN

Elder Wash Box

TC03402

TC03403

TC 03411

34 TC0

TC03408

SOUTH WIL L OW

k ar For Ced TC0 3422

TC03409

S ECTION LINE

SOUTH MOUNTAIN

Box E lde GRAVEL SITE Tribu r Wa ary s 1.1 h

A NY ON

422 03 TC

IL W

N MA RAIL ON T MORM

H RIC

OL D

h as W e r 1.3 Eld Bo x uar y Trib

M artin Fork

SO H UT

TC03406

N TAI UN MO

40 TC03

TC03342

RK FO

TC034 00

T IN M AR

OL DS

99 TC 033

OU TH MO UN TAI N

8 21 03 TC

ABBOTS FORK

TC03341

Box Elde r Wash Tribuary 1.1

TC0339

ABBOT S

HALF SECTION

FO RK

sh x Eld Wa Bo r e r 1 T ibu a ry

R P ROSPECTO

OS P ECTOR

Abbots Fork

ABBOTS FORK

White Pine Fork

TC 0 33

h as .2 er W Eld ua r y 1 x b i Bo Tr

Fo rk

TC03724

TC03 340

HALF SECTION

37 25

QUARTER SECTION

TC03 337

9 33 03 TC

T C 03 338

TC03338

reek HIckman C

Antelo pe Creek

13 30A

MUD SPRING

BOT TO M

TC03212

TC 2

TC21335

3 21 TC

21 3

3 21

TC21332

TC2132 6

2 T C 1 32 2

eek ma Cr Hick n

i an Ind

1333 TC2

N NYO N CA KMA HIC

TC2132

21 TC

TC 2 45 13

FO RK

UE D

TC2132

MO RG AN

TC213 41

TC 21 3

OW LL HO

Bear F k or

n nyo Ca

ST AT E

KN OL L

SECTIONLINE

HIckm an Creek Tributa ry 2.1

SECTIONLINE

FENCELI NE

TC21277

N MA CK N HI NYO CA

ga n Mor

CA N

ELC H

NYON H CA WELC

A TE

Skull Dry Canyon

Y ON AL

WELL SECTIO N L IN E

H W

RAN GE TC 2

13 5 4

RANGE

BERYL

Big H

oll o

Trib utar y

RANGE

ma n Dead

n nyo Ca

R A NGE

Skull

Vall

Cr e ey

RANGE

TC0 264 0

TC 02470

TC2 130 2

U P P ER

OW BARL

RI N G SP

g Bi

SPR

ING

RI N

Vickory Canyon

l low CEM ETE RY

VI C

BA RL OW

Tooele County, Utah Hydraulic Work Maps Panel 19 of 38

YO N VICKORY C A N

BA RLO

KORY CA NY O

HO LL OW

CA NY ON

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

Depot Cr ee k

9 De

Cr ee

WAY

H AS W

GATE

BO XE

EL DE

12 03 4 TC

CA NY

7.1

TC03413

p ot

TEAD RD 17757

BOX

H ELDER WAS

pot Cr ee

ACCESS ROAD

TC03416

TC0341 2

TC03415

TC03403A

TC03402

TC03403

Box Elder Wash Tributary 1.1

Bo x

Elder Wash OUNTAIN SOUTH M

OLD ARMY DEPOT

TC03

386A

S ECTION LINE

TAIN OUN

ee Cr

GRAVEL SITE

TC03 394

Dep ot

TH M SOU OLD

lder Wash Box E ar y1 Tr ibu

TC03406

TC0334

TC03342

BA UE R

NO RT

H OOT HT

SO UT H

Eld ox ary bu

Tr B i

TC 03

TO OT H

IN STAR MOUNTA 397

3390 TC0

3 TC0

ash

e 1. r W 1

n 2 yo y an tar x C ribu o c T l Si e k Cre

Silcox Canyon Creek Tributary 2.1

TC033 86

TC03395

ash rW lde 1.3 B o x E uary b i Tr

TC 03389

RICHMAN

034 TC

OLD ARMY DEPOT

AIN OLD SOUTH MOUNT

8 40 03 TC

TC03409

9 33

0 TC

PO ND

LO O

TC0340 0

396

3399 TC0

3 TC0 339 8

HALF SECTION

TC0339

91 033 TC

TC03222

TC0 3

220

OS P ECTOR

TC 033 92

TC032 23

TC03221

R P ROSPECTO

3218 TC0

TC0 3 398

MON

MOR IL TRA

TC00011

TC 03 21 6

TC03724

HALF SECTION

HIG

CEM ETE RY

TC03 340

HW AY 3

sh r W a 1 .2 lde x E ribua r y o T B

uta

RODEO

TC0333 8

CEME TER Y

JEE P

BAREBACK

ER MA N SH

TC 21 03 4

nn Co

DU TC H

NN OR

HA MBLI

er Tri b

NEW SADDLE

TC 21269

TC0 333 7

QUARTER SECTION

BRONCO

TE CEME

9 33 03 TC

T C 03 338

TC21270

KIN GS

TC21030

SILVER

S OH RU V

STOCKTON

TC 21 27

TC2126

Wa sh

Hickm an

M TTO BO

h Rim

Was h HIc k man C ree Tr i butary 1

M H RI

SOUT

ELK HORN

FENCELINE 13 40 T

033

E OV

RLO OK

JEEP

LE HO

W AT E

ee Cr

ROCK BOTTO M

S ECTIONLINE

NOL L

Cr e e k

E AV GR

k re

C RAN

HIckm an

HM AR K

Youngs Ranch

STA TE K

s Ru

SECTIONLINE

HIc kman Creek Trib utary 2.1

2 13 41

2 TC

k Cre e an y 1 m tar u

HIc k Tri b

TC 21 3

k HIck man C ree 2 Tributa r y

Cre e

SH RU

kT rib uta r

KE LA

IN RU

RUSH LAKE RUINS

FENCELI NE

Welc h

NI JU

y1 TC20 939

P JEE

A TE

Y ON AL

H WELC

CANYON

WELL SECTIONLINE

Welch Creek Trib

RAN GE

TC 2

C lch

n yo an

Ca ny T ri on Cr buta ry eek 1 Dry Canyon Creek Tributary 1

Dr y

RK HMA

B EN C

k ree

utary 2

13 5 4

y Dr r i T

JEEP

CA N

ELC H

HIGHWAY 36

Dry Rail Canyon roa d Tr Creek ibut ary

Ca but nyo n ary Cre ek 2

RANGE

MAIN

RUSH VALLEY TOWN

RANGE

WINT E

JE EP N BE

BERYL

sh Ru

N LI

PENNY

Dry Cany o n Creek Tributar y 3

Dr y

Canyon Cr ee

Dry Ca nyon

Creek Tr ibutary 4

LN CO

R A NGE

INDIAN

TC21067

D OL

kT ee ri b uta 4 ry Cr

TE STA

MOUNTAIN

N ME UIP EQ

RAI LRO AD

h as

PAC IF IC

St Jo hn W

RANGE

TC21070

E VIC ER

TC2 1075

HIG

TC21068

TC21071

HW AY 7

SUNTEN

r Pe

Ro ad

t ary

20 TC

Trib u

TC21 063

TC2 130 2

yC Tr any ibu o ta n C ry r 3

HO PS

k ee .1

JEEP

ry ta

TC 21 06 9

8 05 21

bu Tri

TC21 061

RANGE

HI GH

Clov

060

ek Cre

1 TC2

r ove

k ee Cr er

WA Y

MEADOW

OLD

Tooele County, Utah Hydraulic Work Maps Panel 20 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

SO UT H

r ve Clo eek Cr

AREA

CEMETERY

CROSSIN G

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

T OIN

N RI TE WA

TC 21 36 1

AVEL SITE

TC 209 47

N GA HO

TC2 1

LAK EO HV

HI c Tr km ibu an ta Cr ry ee 1. k 1

TC21 358

7 TC2132

HICKMAN CREEK

Trib utary

TC 20

TC21332

TC 2132 6

TC21360

TC 213 39

65 209 TC

r uta rib sh T Wa

K OC ST

y tar

lit Sp

Ri m uth So

h as W

ND CK PO STO

2 TC

eek Rush Cr

45 13 35 9

Trib u

R SILVE

RIM ROCK

UE D

re e hC k

RUN

TC 2

Rus

DEER

Rim

1333 TC2

9 TC2132

Soldier Creek SE

BIG

MINE

HICKMAN

R U IZ

k ee .2

W LLO HO AN RG

CALUMET

US CT

INE

uth So

21 3

2 T C 1 32 2

TC210 46

TC21335

PARK

HONERINE

TC 20 96

RID GEL

IN G

MINERS

HUNSAKER

HI Tr ck m ibu an t ar Cr y1

3 21 TC 32

IN E CEDA RL

21 TC

K LA

ACC ESS

MI N

RUS H

13 30A

TC 2

RUS H LA KE OHV

S RU

kt o nC reek

SIT E

COPPER

MUD SPRING

EO AK HL

GRA V EL

BEN HARRISON

ROGERS

JE LA K

OLD CO UN TY

Stoc

ROGERS

TC2102 4

DONT WALK

CONNOR

TC03212

AD RO IL RAILROAD

WALK

RU SH

CLA R

PLAZA

019

J E EP

N YO CAN MAN HICK

TC 21

HIckman Cree k

Calume t Creek

SHERIDAN

TC21025

JOHNSON

R USH LAK E TC2102 3

H Ickm an Tributa Cre ry ek 3

ER MA N

ALL

GRANT

TC 21 02

21 TC

LLE

LL DE

JE E P

SMA

ITH

ne rli

ss ce Ac

s es cc

erl

w Po

A ine

ON MIDDLE CANY

w erline Access

HI GH NO ON

SO UT HW ES T

930

CA SS

810 900

1010 1050 65

TC00 6

860

970

Silcox Creek Canyon Tributa ry 4

M ED

OC LO CK

and

TC00664

MA INT EN AN CE

DER

YO N IPE

CAN

TO NE

MA I

LAN D

MC FAR

CH ER RY

Q TH

EAS

MIN

OFF

ALL EY

EMEN SETTL

ICER

BIR

EN TH

THIR TH SE V EN

F IF

FIR ST

Se Left ttl em Ha n en d F t C ork re e k

ELE

FO U

RTH

Silc

OLD ARMY DEPOT

OLD SOUTH MOUNTAIN

Silcox Canyon C reek Tributary 3

OLD ARMY DEPOT

SO UT H

MO UN TA IN

R VE

TOOELE

MP CO MP LEX

SEV

N N YO ETTLEME NT CA

VEN TH

MA IN

Silcox Canyon Creek

SEC O

F ORK S

LEGIO N PAR KC A

TH IRD

LEFT

ON NY

PL EX

T CA

LEG OM ION PC PAR K C AM

WE ST

RSH

JUN

IS E

we Po

PIN E

MA PLE

1220

SU PPLY

TEA K

CIA AC A

LAR

x Canyon Cre Silco ek

SUNDOW N

Y IT

N CREE K YO AN

POP

1140

N ROD

A UNN

1110

TC 00 7

RO S

CL OC K

CO LE M A

GR EA S EW OO D

SOUTHLAND

1080

ox Ca n yon Cree k

YX ST

n 2 yo ry an ta x C bu co Tri Si l e e k Cr SI LC OX

BA UE R

Silcox Canyon Creek Tributary 2.1

OLD BAUER

000 2

LO O

TC 1

Ca ny o

reek

PR OS P

BE N

AR RI

I NG

E CT

MIN

N SO

HA RR I

HIG

HW AY 36

ST OC KT ON

FR ON TA GE

00 2 10 TC

lco x

JEEP

MOUNTAIN STAR

G IN IN M

Fork and on y ft H Le lsey Can e K

NG ISO RR HA UL

NIN G

JEE

JE EP

R MI

N MI

LOW E

EP JE

TC00011

rk nd Fo Right Ha Cree k nt Settleme

Kelsey Canyon

Righ t Kels Hand ey C Fork any on

CEM ETE RY

JEEP

W ate r For

BAREBACK

S IT E AV EL

GR 103 TC2

MINI NG

NI N G

ry bu ta TC 21 03 4

NN OR

KIN GS

DU TC H

ALL E

IN G

PRO

033 TC2 1

ROGERS

SHERIDAN

T EC

SIT E

BEN HARRISON

ACC ESS

MINING

MINERS

PARK

ME LU CA

JEEP

ROGERS

HONERINE

ET CALUM ET

RUS H

CA LU M

LAK EO HV

TC21046

OLD CO UN TY

MININ G

Ca lumet Creek GRA V EL

JOHNSON

DONT WALK

kt o nC reek

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TC21270

0 TC2126

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65 209 TC

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010

900

ary

ibu t

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0 92 20 TC

Creek

TC20957

k ree rC Soldi e ry 1 a Tribu t

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TC 209 47

Soldier Creek 013

TC21

Soldier Creek I LD SO

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ON NY CA

T OIN

North Sou th F F o rk Soldier Cree k ork Soldier Cr e ek

W AT ER

JEE P

TC20946

CR EE K

ROCK BO TTO M TIMBER

DRY FK

GRA VEL P

PRO S PE CT

P P ROS ECT

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BENCHMARK

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RUSH LAKE RUINS

KE LA

PR OS PE SIN OS CR TER WA

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I RU

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Dry Canyon Cree k Dr y Tributary 4 Can yon Creek

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ING

Tooele County, Utah Hydraulic Work Maps Panel 21 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

Cre ek

h ut

CAN YO N

PS HO

RAN GE

6 99 20 TC

DRY

TC 2

si n Ba

N NYO CA DRY

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

s es cc

HA ND

Powerline Access

E ANYON CR E DC ME

eA rlin we Po

FO RK

UN N

ork Hand F Left ND F T HA LEF

K OR

L S e eft ttl Ha em n d en F t C ork reek MID D

VAL LE Y

O OK RLO VE

LE CA NY ON

M Cre Iddl e C ek b an e low yon Tooel e

TOOELE

ELD RFI TTE BU

WH IT

E PI

NE CAN

YO N

White P

ine C

anyo n

1 TC0366

66 03 TC

Fork and on y ft H Le lsey Can Ke

Kelsey Canyon Righ t Kels Hand ey C Fork any on

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Sett

lem ent Ca ny

on Cree

k WE S

Sol d ier Cr e ek

North

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TC AN YO N

S outh

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k n a n yo inic C WEST CAN YON

ir C reek

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LP TN BALD M

ER RY

BA LD

MT N

ON NY CA

Fo rk

Op hir e Cre k

Hal

ls B

as in

C r eek

6 99 20 TC

NA NTA MO

k nyon Cree Ca OPHIR CANYON hir p O TC21

Hall Canyon

002

IN ER

ER S MIN

RE MOO

CLI FF

ION

Cree hir Op

MAIN

R OPHI

E MIN

S IL VE

Tooele County, Utah Hydraulic Work Maps Panel 22 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

rn Weste St Western Stream

am re

Western Stream Tributary 1

Skull Valley Tribal Lands

nS t ary r m

9 2 45 TC0

n Kn ma

TC02 46

Hi c k

r te es b W Tri

SO H UT

olls

D CE

OU M

Draw

NT AI N

Stre am

TC02 458

TC02598

TC02597

W es

tern

TC02458

TC0 2599

R DA CE TAIN UN MO TC02596

Skul

l Val De

ley 1 C reek ad ma nC anyo n

2586 TC0

H UT SO D CE

UN MO AR IN TA

Ba rlo

0 TC 69 24

AN S P RIN

COCH R

WHITE ROCK

5 TC0263

Sk u

ll Va ull

TC02467

SOU TH

BASI

Skull V a 3 Tribu lle y C reek ta r y2

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6 60 02

HIGHWAY 196

Skull Valley Creek 2 Tributary 2

TC02605

0 TC

24 68

HOLLOW WIDE

Cold Spring Creek Triubtary 1

LINCOLN

ELIN

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LINCOLN

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0 61

02 TC

TC02611

POS T HOLLOW

POS T HOL

LOW

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OPEN

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0 TC

473 TC02

FOX

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WH ITE

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Skull Val k 3 Trib l ey Cre e u t ary 1

ll V all e

T AS

TC02607

E CK RO TE HI W

PIPELINE

FENCELINE 18

X FO

6 02 TC

Tooele County, Utah Hydraulic Work Maps Panel 23 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

Skull Valley Creek 1

ull

k ree yC lle Va

Skull Valley Creek 4

lley ll Va S ku

k Cree

TC0 264 0

Skull Valley Tribal Lands B UPPER W ARL O

RI N G SP

1 TC026 4

RLO

k ee Cr 1 g ary n ri ut Sp rib T

ING

TC 0

42 26

l Vall ey 1 C reek De ad ma nC anyo n

SPR

n Deadm a n Canyo

ng Creek Spri

Skul

02 TC

Spring Creek

ary Barlo ibut w C reek Tr

TC 02 64 9

2 64 02 TC

1 utar y rib

Spring C ree

ary

Tribut Canyon Deadman

TC02645 TC0264 8

RO CK

RI N

TR AI LE R

PA R

BARLO W SPRING

eek Barlow Cr

NG RI

WIL LOW

SAN D

YR ID

TC0263 PIPELINE

Sk u

TC02644

C ree

ek Cre ey

ll V all

Skull Val k 3 Trib l ey Cre e u t ary 1

WHITE ROCK

ll Va ull

4 266 TC0

ER RA

yon ring Can ary 1 ck Sp Ro Creek Tribut

NORT H RR

PARK

MOUNTAIN VIEW

CENTER

46 9

VALLEY VIE W

SANDY

MATERIAL

TC 02

ARK

BARLOW CREEK

CO LUMBINE

SUNSET

reek Rock Spring Canyo n C

MI TC HE

S U N S ET

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TC02637

TC 02 66 3

WASH C

Skull V a 3 Tribu lle y C reek ta r y2

UT OF F

646

TC02 S AN

LINCOLN

HIGHWAY 196

Skull Valley Creek 2 Tributary 2

FIRST

TC02605

ld S Co

g prin

Creek

LINCOLN

HATCH RANCH

Cold Spring Cre ek Triubtary 1

TC02 6 37

43 TC026

1 Terr a Creek Tr ibutary

PARK

7 63 02 TC

Park Spring Creek Tributary 2

Terra C

0 TC

ree k

Caldwell Spring Creek Tributary 1

PARK

k ee reek gC 1 prin Par k S butary i ek r T g Cre Sprin Park

Pa tch

W il

low

HI GH

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POST HOLLOW

Caldwell S pring C ree k

TC02629

INE EL NC

TC0 261 1

IN FENC EL E

X FO

ing pr ary r S ut Slat e Trib Creek

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TC0263 0

C Cr aldw ee k T e ll Spring ri b utary 2

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reek gC rin

i bn er

TC 0

DAVIS RANCH

OPEN

TC02

Scribn Creek er Sp Tri bu ring ta ry 1

12 26

0 TC

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t Ho

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S la ter Spring Creek Fa u u rib

st ta ry

TC 02 4

TC02

633

2 263 TC0

Sc Cree ribner k Tr ibu Sprin t ar g y1 .1

n Ca

Burnt Canyon T ribu ta ry

S yo kull nT

TC02616

t Bu r n

USH BR

TC 02 61

9 261 TC0

S k ull Faust Canyon on

Ca ny

8 61 02 TC

FENCELINE

w llo Ho

47 6

st Po 02 TC

tary 1 ibu Tr

Tooele County, Utah Hydraulic Work Maps Panel 24 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

n dma Dea

n nyo Ca

R A NGE

ll Valle yC

reek

RANGE

TC0 264 0 TC 02470

TC2 130 2

OW BARL UPPER RI N G SP W

SPR

ING

Vickory Canyon

YO N VICKORY C AN

BA RLO

CEM ETE RY BI

HO LL OW

CA NY ON

Big

Ho w llo

BI G

HO LL OW

CK BU N RU

N VICKORY CA

St John

y ributar W ash T

YON CENTER M

EAGLE S NES

S G AT E

VI L

AY 19 9

IN E NM

reek Terra C

LINE POWE R

DE VI L

BLU E CAN

EE CR

OLLOW

POSS UM RID G

reek rlow C Ba rib u tary T

OW RL BA

NTAIN OR Y M O U

BIG H

VIC KORY S PRIN G

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Bar

l ow

HIG

E L LANO

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K SP

NG RI

WIL LOW

267 0

TC 0

UN CHA RE

SAN D

1252 TC2

P LE

YR ID

STOOKEY

C lo ab ov ver Cre e Big ek Holl

RUSH VALLEY TOWN

TC02644

EB IC RV

Clover C r eek

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k Trib

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TR AI LE R

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PA S NSON OH

FIREROAD

UT OF F

4 266 TC0

ER RA

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WASH C

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NORT H AP

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TC 02 64

v Ser

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SANDY

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LEY

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TC02629

N FE

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el l

TC0263 0

T he D

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BURR IDG

DAVIS RANCH

17 3

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Big

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63 02

JE E

k Cree yon Can utary 1 b i r T

Slater Spring Creek

Big

FRON

SECTION-LINE

RIDGE

ONAQU I

TC02632

2 263 TC0 SP

NG RI

TC02

633

O TW

T C2120 5

TC 2

Faust Canyo n

JEE P

Skull

ANYO N HELLH OLE C

ll Sku Faust C anyo n

Tooele County, Utah Hydraulic Work Maps Panel 25 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

NY CA

ON RIN G

T US FA

TWO SP

LL KU

SKULL FAUST CANYON

Hellhole Canyon

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

D ry Ca nyon C r e ek

R A NGE

PENNY

TC21067

N ME UIP EQ TE STA

RAI LRO AD

TC21070

PAC IF IC

ny ut on ar Cr y 2 eek

LN CO

HIG TC21068

HW AY 73

BERYL

RA NGE

TC21071

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a y C ib Dr Tr

N LI

E VIC ER

TC2 1075

D OL

ry R

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3 91 20 TC

P er

TC2 130 2

TC2 106 3

SUNTEN

ry C Tr any ibu o ta n C ry r 3

TC21

061

TC 21 06 9

0 106 TC2

lo ve r

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5 10

OLD

2 TC

HI GH

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MEADOW

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CHARLES

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CEDAR

JUNIP ER

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k Clover

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TC 21 15 4

OSBAHR

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Mi ddle F ork Cl

WATERFOWL

k er Cr ee ov

TC21078

1ST

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ROCK

HUR ART

TC21079

TC21152

SOUTH

SS PO

E L LANO

U M RIDGE

reek ver C Clo y 1.1 st utar Ea Trib

RUSH VALLEY TOWN GARRARD

PARK

AREA

CANYON MEADOWS SUNTAN RAN CH H BIG OW OLL

MARTINEZ

P JEE

SHAMBIP

SO UT H

AREA

RANG E

AR E

TC21085

FENCELINE

Clover Creek

COTTONWOOD SOUTH PARK

Cre e

ar Trib ut

SOUTH

RU SH

STOOKEY

P A RK

EAST COTTONWOOD

1252 TC2

HEATHER

WEST PAR K

KRULETZ

HIGHWAY 199

Clo ve r

C r ee

plit kS

(P H

)

36 HIGHWAY

SADDLEHORN

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Serviceb er Tributar ry y1

C a r reek y2 .1

THOMPSON

reek er C Clo v g Hollow i ab o ve B

ir ph ut rib

llo w

TC21088

Bi g

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PASOFINO

Serviceberry Creek

Ophir Creek Tribu tary 2

TC 2

MARSH FLAT

JOHNSON

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over Cree k t Cl

k Cho k echerry Can yon

SAND

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MEPHITIS

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TC21193

TC21220

Ca v e Canyon Creek Tributary 1

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SADDLE BLANK ET

on Creek Cany Big

STOOKEY SPRING

Cave Canyon

RUSSELL

FENCELINE

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KIN SNAKES

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MANS

Too el e

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FENCELINE

TC 21

149

TC 21

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TC21201

TC21205

JEE P

TC 2

JEEP

ME N INT PPO SA DI

ONAQU I F RO NT

h Center Gulc

t us P

Ra il

d Draw roa

MORNING S TAR

PRONGHORN

Faust Cre

LOWER FAUST

aw Dr

JE E

CAN YON

ek H igh wa y

HEL LHOLE

K CU TB AN

Tooele County, Utah Hydraulic Work Maps Panel 26 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

17 211 TC

Faust Creek High w ay Draw Tributary 1

Hellh o le Canyon

JERICHO

AUST LOWER F

on ny Ca

21 TC

Hellhole

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

I RV SE

Dry Ca n Trib yon Creek u tary 6.2

B CE

C RY ER

PENNY

Dr y

BA LD

N ME UIP EQ TE STA

Can y Trib on Creek ut ary 6

YO N

MTN LP

BALD MOUN TAIN

TS E VIC ER

n bu yon ta C ry re 2 ek

Ha lls

MINE NORT H

r rk Ophi Fo

IN NM NYO CA

G IN

CAN YO N

ek Cre

DRY

M IN IN G

3 96 20 TC

TC 209 62

M IN E

1 TC2096

RANGE

ER IN

ERS MIN

MOO

CLI FF

ION

NE MI

0 106 TC2

061

MAIN

R OPHI

002 TC21

S IL VE

TC21

ree k nyon C Ca hir p O

E MIN

ek re .1

reek on C Dry Can y

NA NTA MO

yC Tr any ibu on ta ry C 3

996 20 TC

Dr HO PS

Cre

h ut So

DRY

TC 2

Ba si n

JEEP

K AR HM NC BE

yC an Trib yon C utar ree y3 k

a yC Dr Tri

AY W GH HI

e Ophir C r

05 21 TC

HILLS OF

8 05

GR AV E

EN QUE

21 TC

JEEP

IN IL TA

ON NY

R HI

CROSSIN G TC21055

3 91 20 293

TC 21

1 TC2

29 1 IL TA

East Clov er Cre Tributary ek 1

STARK

SU NT AN

RA NC H

CREEK

LOWE R OP

H IR

R OPHI

Silverado Canyon DO VERA SIL

N CANYO

TC21085

Y DR

EE CR

FENCELINE

GH HI AY W 73

AR ST

2 TC N MI

TTLE

DOLI

ER E LIN

MINE

ir ph ut rib

POW

C a r reek y2 .1

3 90 TC20

Ophir Cree

GUL

D IP

WE ST

Ophir C re

MIN

D EST W

y2 k Trib utar

LCH GU

h West Dip Gul c Tributar y 1 ES W T

EP ISE NR SU

CA N

YO N

Gul c h

R CU ER M

ip st D We

UR RC ME

West Dip Gulch Tributary 2

Merc ur C

p o t Cre ek

PR O

EC T

e re

es rib t D ut ip ar Gu y 1. lch 1

Faust

Cre

IT C A MCFA

YO N

OR TH

e re tC

20 TC

YO N

G AP

PROSPECT

Fa u s

T AI CF M

N CA

li t Sp De po

CA NN

re e

MIN E

PA CK

lm Gi ibu Tr 12 reek tC

Too

4 Depot Creek 1 FENCELINE

Ra ng e

el eC ibu

nty Creek ou y 2 tar

1 08 7 TC 2

Gilm Tr ore D ibu r tary aw 2.1

reek

Tooele County Creek 1 Tri butary 2.1

po tC

De po

Gilmore Draw Trib u tary 2

ore tar y

aw Dr .1 2

TC 20 87 2

w Dr a . 1 .1 ore lm ry 2 Gi buta Tri

e lin ad Ro

W es Tr t Di ib p ut G ar ul y ch 3

aw Dr CE

SUNDAN

PACIFIC

RANGELINE

raw ore D Gilm To o

RAILROAD

Creek 1

BAS

ele C ou nt y

Fa D EPRESSION

JEEP

le oe To

d Draw roa

PRONGHORN

un Co

ST AU RF

ek Cre Mercu r ry 1 Trib u ta

t us

Ra il

NS H

C re ek

FAUST 7 111 TC2

Tooele County, Utah Hydraulic Work Maps Panel 27 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

ns h

LOWER

JERI CHO

Tooele County Creek 1 Tributary 1

CUTB

ANK

L O WE

Can y o n ine

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

2 TC

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

B CE

NY ON

MT N

RY ER

I RV SE

D AL

e Ophir Cr So

Fo rk

Op hir

e Cre k

Hal

as in

C r eek

6 99 20 TC

Cr ee

ls B

hir Cany o n Op NA NTA MO I OPH

ON ANY RC

Hall Canyon

IN ER

ER S MIN

RE MO O

00 TC21

CLI FF

ION UN

k Cree hir

YO N

MAIN

OPHI

E MIN

SIL VE

N RADO C A VE

Silvera do Canyon

Canyon adow Me

100

200

100

st Dip Gulch We

CENTER

CHURCH

W ES

LC GU

100

Merc u r Creek

R CU ER M

300

CHURCH

100

240

300

CEDAR FORT CEMETERY

200

ON NY CA

SUNRISE HILL

MER CUR

N UN

E AM

82 171 RD

MA NN

IN G

VIO

L ET

RA YM IN E

ON NY CA FILLMORE

JEFFERSON

PR O

EC T

PROSP EC T

WILSON

P CA OLE NY ON

WRANGLER

LA FIESTA

IT C A MCFA

YO N

IT FA

ELLENSBERG

ON CALDWELL

E IN

N SU

E CAN

H IN

SU NS MIN E

LEWISTON

ra .1 w .1

CA NN

CLA YC ANY ON

TC 20 87 2

re D 2 lmo Gi buta ry i r T

PA CK

ore tar y

Ca ny o

2 utary Gilmore Draw Trib

aw Dr .1 2

Sunshine Ca nyo n

un Yo ma

AY W GH HI

TC 20 8

lm Gi ibu Tr

PECT

P ROSP

ECT

PR O S

87 20 TC

w ore D ra Gilm

WINT ER

WEL LS CAN

YO N

CE TI LS SO

TREASU RE

PR OS P

Un na m ed

ay Wa sh

PRO SPE CT

NS H

IN E

RU NW AY

PROSPECT

CT PE OS PR

Y7 WA

LIT TLE GR AS S

H HIG

FIVE M

Tooele County, Utah Hydraulic Work Maps Panel 28 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

S AS

ILE

PIT

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

SAUTTER

YO N

20 TC

NY CA

OR TH

GA P

CA NY

WEEKLY

PROSPECT

CHEYENNE

TC02616

Burnt Canyon Tributary 1

TC02 633

TC02 630

Scrib Creek ner Sp Tribu ri tar n g y1 .1

Scribner Spring C

ree

632 TC02

473

t aus ry l F uta ul rib Sk n T o ny Ca

TC02

Sl at er Spring Creek

USH BR

S kull

TC 02 61

9 261 TC0

Faust Canyon

8 61 02 TC

FENCELINE

X FO

HIG

HW AY 1

GH W AY

Po st

H ollow

Trib uta r

TO F

ARM ITAG

g ri n Sp t a er ribu n rib ek T e

PI NY

TC 02 4

TE YO CO

NG STA MU

DU GW AY

Sc Cr

4TH

H 5T

BON AF

3RD

PEAK

2ND

tH Pos

ON NY

KNIG HT

ST C A L FAU SKUL

8A 47 02 TC

KNIG

LE ITT

Scribner Spring Creek Tributary 1

2ND

ary ut ib Tr

1ST

KNIG

3RD

4TH

EZ LD VA

Post Holl

TC 0

BEYF IELD

1ST

ol low

HAR RIS

MOSIER

CARR

AR ST

TC 02 4

3 62

02 TC

TC0 26 23

477

2 TC0

E TL LIT

O DO

TC03136

Creek

TC0313

d Proving Groun

TC031 37

2 Burnt Canyon Tribu tary

TC 03 0

4 13 03 TC POST HOLLOW

VIS RANCH DA

TC 03 09

Davis Knolls Creek

TC 0 ESS ACC

31 30

476

03 31

TC0313 2

03 10 2

Davis Davis Draw Draw

0 310 TC 0 TC

Burnt Canyon

TC03132

Davis Draw

03 TC

Davis Draw

13 03 TC

TC 0

Da Dr vis aw

C 03100

T ES

-W

VIS DA

TC02

Davis Draw

Burnt Canyon Tributary 3.1 Burn t Tribu Cany tary on 3.2

03 TC

Davis Draw

03 13 1

T RN BU

TC03144

ree k

raw Tr

ibu tar

ON NY CA

1 03 TC

1 1. ary ut

Davis Draw

DAVIS KN OL LS

Davis Davis Davis Davis Draw Draw Draw Draw

101

Davis D

Tri b aw Dr

TC03

145

Davis Draw

TC03093

DAVIS KNOLLS

Davis Knolls C

vis Da

DUGWAY OUTER PERIMETER

TC 03089

NT C ANYO N FORK BUR

n Burn t Canyo Tribut ary 3.3

TC03143

091 TC03

S VI DA

TC03 14

TC 03

TC0 3095

09 0

3146 TC0

raw Tr

y ar ut

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Dav

Bu rn tC

an yon

Tributary 3

DAVIS VIEW

03 09

Da vi

Dr aw

W FA

TC03 123

HA TC HW EL L

DAVIS V IEW

A L LEY

IN TA

F AW N

N OU SM VI DA

Y LE AL

LE TT LI

96 30

Davis

Dra

TC0

TC03096

vis Da

Draw SU

LIttle V Creek T alley D ry ribu tary 1

VI E

S VI DA IN LE TA TT UN MO

MUSTANG

R YO

E RV

VIS DA

ONE HALF SECTION

TC0307 8

0 TC 77 30

E ON EC

TC 0

S LF HA

ON TI

TC0 312 5

OL DP

ON Y

121

Davi sK Trib nolls C r uta ry 1 eek .1

120 TC03

DRY WAS H

Davis Kn oll s Creek Tributary 1

DAVIS RANCH

TC 03

DUGWAY

TC 03 08 3

TO P

TRANSMISSION LINE

DA VI S

TC0 3

082

DA VI

LIttl y Cree e Vall ey Dr k Tribut ary 2

L TT LI

TC03079

081 TC03

D UN RO

PW TO AS

LIttl e Valle

k ree ry C

161

3 TC0

TC 03 08 0

DAV IS

TC03

155

Valle y Little reek plit S C Dr y

118

MOU NT AIN

3 TC0

voi rC re e

IR ER V O

S ES PR

TC03 16 3

Res er

VALLE Y RES

4 16 03 TC

TC0312 8

126

TC03

ry yD Little Val le tary 3 Creek Tri bu

TC03 1 27

DA V IS

TC 03 162

TC 03

166

es ervo ir Tributa ry

V DA

M O

TA UN

16 03 TC

031 65

0 TC

206 TC03 032 TC

TC0 3208

Tooele County, Utah Hydraulic Work Maps Panel 29 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

TC03

TC 0

193

TC 0 3105

030 TC

TC03204

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

TC02630

JEE P

BIG BURRIDGE

SECTION-LINE

Bi g C Tr any ib o ut n C a ry

Faust C anyon

RI NG

S kull

TC02 633

2 63 02 TC

76 024 TC

ree 1

S l ater Spring Creek

TWO SP

RING

NYO N HELLH OLE CA

He llhole Canyon

on any lhole C ry 2 Hel a Trib u t

L UL

N YO AN TC US FA

tH Pos

ow o ll

2 utary Trib

Po s t Ho llow

OR NI N

TA R

E FAUST CRE

POST -SKU

TC0313 5

TC03134

2 Burnt Canyon Tributary

TC031 37

SAL TL

L EL

K IC

H TC HA

POST HO LLOW

CREE K

BU RN T

TC 03 13 3

FAU ST

NY CA

ek Faust Cre 2 Tributary RA B BIT

B RUS H

Burnt Canyon

Burnt Canyon Tributary 3.1 US FA T

Burn t Tribu Cany tary on 3.2

EE K

FORK BUR NT C ANYON

21 TC 2 18

0 TC 41

S VI DA CH

DAVIS KN OL LS

N RA

TC03144

SCRU B CA NYON

TC03

145

n Bur nt Canyo 3 Trib utary 3.

AQ UE

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SE VER TRA

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WAT ERLI

TC03147

15 0

C a ny on Tribu tar y 3

WA TE R LINE

r nt

TC 03

DAVIS KNOLLS

TC03146

Creek Faust

TC2 0

731

SV IEW

PIP ELIN

DA VI

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V AW RUN

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SK RU

A L LEY

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WATERLINE

YON AN BC RU

VI E

W TC 2

VIS DA

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k SECTIONLINE SH

l is Kno D av

Y DR

CK RO

ON NY CA

Davi sK Trib nolls C r uta ry 1 eek .1

Davis Knolls Cr eek Tributary 1

NG RI TA TLE MOU N LIT

2 TC

DR YC RE E

OL DP ON Y

4 07

N LI

N e Cr

ER AT W

WEL L EAST

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L Itt le Valley Dry Cr eek Tributary 2 LITTLE MOUN TAIN

TRANSMISSION LINE

Valley D ry Creek

03 15 8

LIttl e

161

3 TC0

Tr ail t ary 1

ES S

le Litt

TC 03 162

t ou ibu ok Tr Lo ek e Cr

TC207 24

DUGWAY

315 5 TC0

lle Va

R ock Canyon Cree

WELL

eek

LOO KO UT

oko ut Tra il C

r eek

TC2 072 3

4 16 03 TC

NC H

5 317 TC0

TC2 0746

TC03 16 3

0 31 76

TC031

N orth Oak Brus h C r eek Tributary 6

TC 03

166

16 03 TC

ESS XPR

No r th rush Cre Oa k B y 7 ek Tri b utar TC2 04 76

031 65

PON

LITTLE VALLE

E LIN

E NC

206 TC03

TC 031 71 TC 03 17

TC0 316 9

177

P ON 1 03 TC

032 TC

3208

North Oak Brush Creek Tributary 9

OLD

TC0

North Oak Brush Creek Tribu tary 8

Oak Brush North butary 9 k Tri Cree

T C03

68 OL D

Y P ON

DO VE

0 TC

0 32

Tooele County, Utah Hydraulic Work Maps Panel 30 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Y PON

4 TC03 20

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

MP LE X

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

No B ru rth Oa sh Cre k ek

TC03 17 2

9 20 03 TC

TC21201

LL HO HE

PP SA

N ME NT OI

172

S ECTION-LINE

FENCELINE

TC21205

ek re 1

NG RI

1204 TC2

O NAQUI FRONT

O TW

Bi g C Tr any ib o n ut a ry C

E JE

re tC po

TC 211

JEE P

TC 2

JEEP

RAI PACIFIC

JEEP

LROAD

ME N INT PPO SA DI

CAN YON HEL LHOLE

Center Gulch Fa

t us

MO RNING STAR

d Draw roa

Ra il

LOWER FAUST

PRONGHORN

JEEP

CUTBAN K

Faust Creek H ighway Draw Tribut ary 1

Hellhole Canyon 1 21 TC

on any lhole C ry 2 He l Trib u ta

DAVIS

19 4

21 TC

7 111 TC2

ER VEL SH O

TC20867

IC HO JE R

SHOVELER

k Trib uta ry

k Highway Draw

Fau st C ree

RUSSELL

AUST LOWER F

Cree Faust

TRANSMISSION LINE

TC21197

ROPER

RONT UI F AQ ON

8 118 TC2 89 11 C2

WILDLIFE

8 11

87 11

SA LTL ICK

2 TC

D SUN

RAB BITBRUS H RD C OMPLEX

2 TC

C AN E

SE ROU

RABBIT B

EG SAG

SH R DC OM PLE X

RABBIT

Faust Creek Tributa 2 ry

RABBITB RUSH

UNION PACIF

IC RA I

LROAD A CCESS

t Creek Faus ry 2.1 buta i r T

Tooe le C 3 T ou rib nty ut C ar re y ek 2

MULE SKINN ER

TC21 18

TC21

IT RABB

132

BRU PLEX

COM

JEEP

SH RD

SAGE SPARROW

Faus t Creek Tributar y3 F IT ZG E

RA L

AC CE SS

Dam D raw

CR EE

WA Y3 6

AQUEDUCT

FA US T

211 69

LD LIF E

FITZ GER ALD WIL D

A 800 20 F OF RN TU

T US FA

NY CA

TC20702

B RU

REF UG E

RR ACCESS

LIFE

FA UST CREEK

77 206 TC

TC 207 00

WATER LINE

Ru d

FAUST

Da m

TC21 153 A

F RE

GER AL D

1 CT

Dra w

LOWER AQU ED U

Tr ibu ta ry

WAT ERLI NE

VERSE TRA

el To o

TC2 06 88

TC2119 0

EEK FAUST CR

TC20695A

oad Draw dy R

ek st Cre Eas t Fau

e re

t Cou n

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6 98 C 20

Co Tri unty but Cr ar ee y 2 k

TC 2

ee k

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57 06

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LE Y ATHER

Ath

er l

TC2 07

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RUD DY

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Fa us t

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TC 20

675

G SA

LEE RANCH

BIG

WAY RUNA

TC 2 0697

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TC20685

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Fa us t

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LAST CHANCE

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North Oak B rus Creek Tribu h tary 6

FENCELINE

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661

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Vernon Hills Gu lch

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Faust Creek Trib

u tary 6

4 015 TC2

North Oak Brush Creek Tributary 7

TO W ER

Cr ee

TC 20 47 6

DOUGLAS

TC2 067 8

COTTONTAIL

Vernon C re e k

DOVE RD

LL S

TC20647

ER NO N

LL S

LL NON HI ST VER SWE

S H ADE

TC2015 2

Tooele County, Utah Hydraulic Work Maps Panel 31 of 38

06 93 TC2

VOLUNTEER

DOVE RD COMPLEX

06 44

DE SH A

COMPLEX

TC 2

VERNON

ree k st C Fau utary 7 Trib

N o rth Oak Cre ek Trib Brush utary 9

V CO

North

LE MP CO RD VE DO

TATTOO

TC2 064 5

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PLE COM

North O ak Brush Creek Tributary 9

E RD DOV

North Oak B rush Creek Tributa ry 8

O RN

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

TC2120 1

AY W GH HI

FENCELINE

ee Cr . 1 y2

e lin

West Dip Gulc h

r tC po

Cent e Gulc r h

To oe

un ty

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reek

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SO UT HL AN D

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ta ry

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UL CH

TC2 05

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ts 1 Fla ary er ut ult rib Bo w T a Dr

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ry 3 uta Tri b

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BED

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LL S

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TE UL BO

Tooele County, Utah Hydraulic Work Maps Panel 32 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

BOULTER FLATS

PESTO

0 TC2

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

571

054 7

CE AN ER RV SE

SNAKE LL BU

TC 2

TS LA

kT ri b

RF TE UL BO

LS ON HIL

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06 93 TC2

ST VERN SWE

ut a ry 2

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2 TC

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59 TC20859 A

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TC2 061 6

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5 62 20

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TC20599

TC20612

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Phase II Study Stream Reach

S RD

Corporate Boundary

Tooele County, Utah Hydraulic Work Maps Panel 33 of 38

ic Mi n

s Boulter F l a t ry a Draw Tri b ut

yon an ll C

571

TC20

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

TC 0316 2

NE LI ER AT W

Rock Canyon Cree k

Lo ok

ou tT rai lC re e k

TC2 072 3

BE N 4 16 03 TC

LITTLE MO UNTAIN

5 317 TC0

TC2 0746

TC03 16 3

0 31 76

TC031

N orth Oak Brush C r eek Tributary 6

TC 03

166 INE

EL NC

No r th rush Cre O a k B y 7 ek Tri butar

e re yC

16 03 TC

031 65

Little Va lle

LOOK OUT

PO NY

WEL L

EX PR E

9 20

03 TC

TC03 17 2

206 TC03

TC 031 71

TC 03 17

TC0 316 9

177

Oak Brush North ributary 9 T Creek

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North Oak B r ush Creek Tribu tar y 8

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8 17

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reek

VERNON

Cre ek

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94 031 TC

sh Wa on any

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e e Cre k Pin

TC20137

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TC20126

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Tooele County, Utah Hydraulic Work Maps Panel 34 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

Y PON

ek Cre M OU rush R NI NG kB DOV a E O rth o N

S RES

EXP

06 5

TC 20

HAVEN

65 9A

CAM P

No Cre rth O ek Tri ak bu

Lookout Trail Creek

TC 20 7

on Creek Vern

6 TC20 6 9

h us Br ry 4 ta

rt e e h Oak B rush kT ributa ry 5

EP JE

E LIN ER AT W

Roc k Cany on Creek

STRAIGHT SHOT

t Fau s

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North Oak B rus Creek Tribu h tary 6

TC20144

661

TC20

S ILL

Vernon

H ON RN

Hills Gu lch

RAPTOR

DOVE RD CO MPLE

Faust Creek Trib

u tary 6

4 015 TC2

North Oak Brush Creek Tributary 7

EASTWING

FENCELINE

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TATTOO

North Oak Brush Creek Tributary 9

TC 2

06 44

TC20647

VOLUNTEER

rush 2 k B ary 9. Oa ut h Trib t r No e k Cre

VERN ON HI LLS

06 93 TC2

DOVE RD

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TC2 067 8

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VE R

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Tooele County, Utah Hydraulic Work Maps Panel 35 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

2 TC

OI ERV RES NON ING VER FISH

TC20 15 7

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

58 0

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Tooele County, Utah Hydraulic Work Maps Panel 36 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

NY CA

S ER

LL OW

IN M

TC20 22 7

MINE RS C ANYO N

76 202 TC

POWELL SPRI

TC 20 2

0299 TC2

TC 2

2 TC

IL TA ON TT

2 TC

06 40

9 63 20 TC

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

HUNTING

HAW KEY

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IFF PL TO

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Tooele County, Utah Hydraulic Work Maps Panel 37 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary

TC20322

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FA W

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Tooele County, Utah Hydraulic Work Maps Panel 38 of 38 Corporate Boundary Phase II Study Stream Reach Phase I Study Stream Reach Tooele Study Boundary 2025 Draft Hydraulic Floodplain Information 2025 Draft Floodway 2025 Draft 1%-Annual-Chance Flood Zone (Zone AE) 2025 Draft 1%-Annual-Chance Flood Zone (Zone AH) 2025 Draft 0.2%-Annual-Chance Flood Zone 2025 Draft 1%-Annual-Chance Flood Depths Less Than 1 Foot 2022 Draft 1%-Annual-Chance BLE Results (Zone A)

PRI

Panel Locator 1

Community Map Key

Community City of Erda City of Grantsville City of Lake Point Community of Ophir Town of Rush Valley Town of Stockton City of Tooele Town of Vernon

Map Panel 8, 9, 10, 14, 15, 16 7, 8, 13, 14, 15 9, 10 22, 27, 28 20, 26 20, 21 15, 21, 22 31, 35

GRANTSVILLE

LAKE POINT

ERDA

TOOELE

STOCKTON

2025 Draft Active Alluvial Fan Area SKULL VALLEY TRIBAL LANDS

11/18/2009 Effective Flood Zones (Data from 2025 NFHL) Effective Zone A

RUSH VALLEY OPHIR

Effective Zone AE (1%-Annual-Chance) ! !

! !

! ! ! !

! !

! ! ! !

! !

! ! !

Effective Zone X (0.2%-Annual-Chance)

Map Projection: Universal Transverse Mercator (UTM) Zone 12N; North American Datum 1983; Western Hemisphere; Vertical Datum: NAVD 88

1 inch = 2,000 feet 0

1,000

2,000

Vertical Datum: NAVD88

1:24,000

4,000 feet January 6, 2026

Path: L:\DCS\Projects\FEMA\Tooele_County\900_CAD_GIS\GIS\Maps\Hydraulic_Work_Maps\Hydraulic_Work_Maps_mapseries\Hydraulic_Work_Maps_mapseries.aprx

VERNON

35 Tooele Study Boundary