2018-12-07-WaterSituationAndMitigation 2018

On 7 December 2018 07/12/61

1

OVERVIEW OF WATER SITUATION IN RAYONG-CHONBURI AREA 7 DEC 2018 Chachoengsao Reserve Pond P2

P4 P3

12

P5 P6

Samnakbok Reserve Pond

Private Pond

P7

Bang Phra res.

P9

90.83

37

P-BPN P8

17.22

Nong Kho res.

P10

Chonburi P1

Rayong

Bangphra

Nongkho

Dokkrai

Nongplalai

Klong Yai

Prasae

117.00

21.40

79.41

163.75

40.10

295.00

90.83

17.22

78.58

160.47

36.91

255.40

78%

80%

99%

98%

92%

87%

78.78

16.22

75.58

146.97

33.91

235.40

Inflow into reservoir (MCM) (On 6 Dec 2018)

-

-

0.164

0.276

0.200

Water volume compared to previous week (-decrease, +increase) (MCM) Total water volume in each area

-2.19

-0.56

Reservoir capacity (MCM) Current storage volume (MCM) Percentage of reservoir capacity Useable storage volume (excluding Dead Storage) (MCM)

-

0.560 -0.47

-2.85

-0.30 -4.90

-2.75

-3.62

108.05 MCM (78.1%)

275.96 MCM (97.42%)

Note: * When storage volume falls below 15.2 MCM, it is not possible to transfer water from Klongyai Reservoir to Nongplalai Reservoir

34

Khlong Yai res.

Nong P11Pla Lai res.

P12 P-NP3 78.58 P13 Dok Krai res. P14 160.47

255.40

36.91

Prasae res.

P

XX

XX XX

P15

177

Raw Water Pipe Line (EW) P16

Source of data: Royal Irrigation Department

Existing Pipe Network

Constructing Pipe Network

Demand 2560 (MCM.) Supply (MCM.) Pump Station Raw Water Pipe Line (RID) Existing Pipe Network Constructing Pipe Network

WATER SITUATION OF BANGPHRA, NONGKHO RESERVOIR

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Water situation of Bangphra Reservoir (by Year)

URC

LRC

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Water situation of Nongkho Reservoir (by Year)

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Water situation of Nongplalai, Dokkrai and Klongyai Reservoirs

Water situation of Dokkrai Reservoir (by Year)

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Water situation of Nongplalai Reservoir (by Year)

Water situation of Klongyai Reservoir (by Year)

WATER SITUATION OF PRASAE RESERVOIR

Summary of water shortage prevention and mitigation measures in Rayong and Chonburi Provinces 2018 Planned Water Volume (MCM) 2018

Measure JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Total

7.4

6.8

7.4

7.2

7.4

7.2

7.4

7.4

7.2

7.4

7.2

7.4

87.4

1. Primary measures 1.1Water diversion via pumping from Prasae Reservoir

1.2 Divert Water from Bangpakong River + Private Pond 1.3 Divert Water from Klong Pra Ong Chaiyanuchit

Total

Planned PS - KY Planned PS- NPL

2.64 4.51 4.82 4.67 4.82 4.67 2.95

29.08

Actual PS-KY

8.63

7.71

8.44

1.09

-

-

-

0.53

-

-

-

0.27

26.67

Actual PS-NPL

-

0.77

5.14

4.95

5.33

3.25

2.28

1.23

-

-

-

-

22.18

Planned

0

Actual

0.41

1.56 1.64 0.89 1.18 0.78 0.80 0.81 0.82 0.44 2.24

1.80

1.41

1.39

8.91 7.25

0.41

Planned

Planned

10.04 11.31 12.22 13.43 13.86 12.76 11.53 8.18

8.00

8.21

8.02

7.84

125.4

Reservoir Simulation 7 Dec 2018 Volume 275.96 MCM.

From The beginning of 2018, we forecast the reservoir simulation, the water situation in this year will be the same as scenario no.1

7 Dec 2018 Volume 275.96 MCM.

THANK YOU