Hudson
Eayrs Pond
Nashua
Pelham
Salmon Brook
MA84A-01_2006. Merrimack River
Merrimack Basin
Metals
Pathogens
MA84032_2006, Long Pond
Merrimack Basin
Metals
Noxious aquatic plants
MA84031_2006, Locust Pond
Merrimack Basin
Metals

ocust Pond
Joint Grass Brook
Dracut
MA84012_2006, Flint Pond
Merrimack Basin
Metals
Noxious aquatic plants
Dunstab e
Pondkjbfon Pon
Afthea Lake
Lowe -Dracut St for Ponds
Tyngsborough
Meadow
Lower Massapoag Pond
rrimack River
MA84A-21_2006, Deep Brook
Merrimack Basin
Unknown toxicity
Siltation
enrichment/Low
Pathogens
MA84A-01_2006. Merrimack River
Merrimack Basin
Metals
Pathogens
MA84087_2006, Massapoag Pond
Merrimack Basin
Metals
Organic enrichment/Low DO
Noxious aquatic plants
Swains Pon
Lowell
reernan
MA84046_2006, NewTield Pond
Merrimack Basin
Metals
Organic enrichment/Low DO
Noxious aquatic plants
£
Cow Pond Brook
\
Gilson Brook
MA84B-04_2006, Stony Broc
Merrimack Basin
Cause Unknown
Nutrients
PH
Organic enrichment/Low DO
Pathogens
Che msford
MA84u44_200b, Nabnasset Pond
Merrimack Basin
Long Sought for Pon
Groton
Metas
Crooked Spnngs Pond
o
Westford
KeyesPond
Grass Pond
Burgess Pond
Impaired Waters and TMDL Status
Tyngsborough, 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
N
A
oEPA
I Miles
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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