[Mill PoncL

Westfprd

MA82072_2006, Long Pond
Concord Basin
Nutrients

Organic enrichment/Low DO
Noxious aquatic plants

MA84B-02_2006, Beaver Brook
Merrimack Basin

Nutrients

Cobbs Pond

Organic enrichment/Low DO

Pathogens

Suspended solids

Littleton

Grassy Pond

Boxborough

Acton

Guggins Brook Pont

Icehot

Angiers Pond

Partridge Pond

MA82110_2006, Warners Pond

Concord Basin

Metals

Coles Brook

Flag Hill Pond /

garners'

Concord

MA82B-07_2006, Assabet River

Concord Basin

Nutrients-TMDLCN201.0

Organic enrichment/Low DO - TMDL CN201.0

Pathogens

Kennedys Pc

MA82B-07_2006, Assabet River

Concord Basin

Nutrients-TMDL CN201.0

Organic enrichment/Low DO - TMDL CN201.0

Pathogens

Maynard

[Sudbury

Carlisle

Stow

Impaired Waters and TMDL Status
Acton, MA

Impaired. Water body Label

State ID. Waterbody Name
Basin Name

Category 4a POC (Pollutants of Concern)
Category 5 POC (Pollutants of Concern)

Map produced by EPA Region IGIS Center

Map Tracker ID 3244, May 30, 2008
Data Sources: TeleAtlas, Census Bureau,
USGS, MADEP

I Mi les

SERA

United States
Environmental Protection
Agency New England

Impaired Water Segment

cza Category Z	Category 4a

?77A Category 3	£23 Category 4c

Waterbodies S ****** 5
I I MS4 Urbanized Areas (2000 Census)
Municipal Boundaries

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