MA84B-03_2006, Stony Brook
Merrimack Basin
Cause Unknown
pH
Organic enrichment/Low DO
Pathogens
Turbidity
Knops Pond
MA84015_2006, Forge Pond
Merrimack Basin
Metals
Groton
MA84B-02_2006, Beaver Brook
Merrimack Basin
Nutrients
pl-l
Organic enrichment/Low DO
Pathogens
Suspended solids
MA84089_2006, Spectacle Pond
Merrimack Basin
Organic enrichment/Low DO
Noxious aquatic plants
Westford
Spectacle Pond
MA84B-01_2006, Unnamed Tributary
Merrimack Basin
Nutrients
pH
Organic enrichment/Low DO
Pathogens
Suspended solids
MA84038_2006, Mill Pond
Merrimack Basin
Noxious aquatic plants
MA82072_2006, Long Pond
Concord Basin
Nutrients
Organic enrichment/Low DO
Noxious aquatic plants
! Littleton
MA84081_2006, Mill Pond
Merrimack Basin
Noxious aquatic plants
MA84B-02_2006, Beaver Brook
Merrimack Basin
Nutrients
pH
Organic enrichment/Low DO
Pathogens
Suspended solids
Mill Pond
Cobbs Pond
Harvard
MuddwPond}
Grassy Pond
Stream
Boxborough
Acton
Impaired Waters and TMDL Status
Littleton, MA
Map produced by EPA Region IGIS Center
Map Tracker ID 3244, May 30, 2008
Data Sources: TeleAtlas, Census Bureau,
USGS, MADEP
N
A
oEPA
I Miles
United States
Environmental Protection
Agency New England
Impaired. Water body Label
State ID. Waterbody Name
Basin Name
Category 4a POC (Pollutants of Concern)
Category 5 POC (Pollutants of Concern)
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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