Larc2140 2016 spring goh eendo hp

Environmental Justice Criteria -Income -Minority population -Foreign born -English Proficiency -

Populations Populations Populations Populations

meeting meeting meeting meeting

one EJ criterion two EJ criteria three EJ criteria four EJ criteria

Environmental Justice

Existing

Water Segment -Chelsea Creek (87%) -Mill Creek (32%)

Dredge

Fill

Mystic Watershed Water Quality

Plant

Coexisting Insdustries River quality being one main reason for environmental justice in Chelsea/Everett, wetlands are implemented throughout the river treating pollution locally and allows remediation of Mystic Watershed. Industries coexist with society.

10 ft fluctuation

NTS*

Original River Bed

Wet

Wet/Dry

Dry

Wet/Dry

Wet

Floating Treatment Wetlands(FTW)

Wetland plants thrive on these floating treatment islands, providing ideal habitat for birds and pollinators on the surface, and crabs and other aquatic creatures under water.

Phragmites australis

Glyceria maxima

Menyanthes trifoliata

Salix matsudana Plants provide seed bank for the region with seeds being dispersed by birds and through the water.

Panicum hemitomon

Chamaedaphne calyculata

Typha latifolia

Myrica gale

Carex lasiocarpa

Typha angustifolia

Salix alba

Salix babylonica

Buoyancy for the floating wetlands provided by sealed recycled plastic bottles.

The growing root mass provides refuge from predators for small aquatic organisms.

Oxygen is transmitted through the plant roots, providing dissolved oxygen in the water column

Year 1

Amphitheater

Year 5

Year 15

Chelsea River

Detail Section 1:40

Wetland Path

Detail Plan