Westford
Chelmsford
Lowell
TyngsboroughDracut
Carlisle
Billerica
MA84A-01_2008 Merrimack River (5)
MA84A-03_2008Merrimack River (5)
MA82A-07_2008Concord River (5)
MA82A-21_2008Unnamed Tributary (2)
MA82A-08_2008Concord River (5)
MA84A-21_2008Deep Brook (5)
MA84B-04_2008Stony Brook (5)
MA84A-17_2008 Black Brook (5)
MA84A-02_2008 Merrimack River (5)
MA84A-29_2008 Lowell Canals (5)
MA84A-02_2008Merrimack River (5)
MA84A-29_2008 Lowell Canals (5)
MA84B-04_2008 Stony Brook (5)
MA82A-09_2008Concord River (5)
MA84A-17_2008Black Brook (5)MA84B-04_2008 Stony Brook (5)
MA84B-03_2008 Stony Brook (5)
MA84A-29_2008 Lowell Canals (5)MA84A-29_2008 Lowell Canals (5)
MA84A-29_2008Lowell Canals (5)
MA82A-10_2008River Meadow Brook (5)
MA84A-29_2008 Lowell Canals (5)
MA84A-02_2008 Merrimack River (5)
MA84A-01_2008 Merrimack River (5)
MA82123_2008Winning Pond (4c)
MA82037_2008Fiske Street Pond (3)
MA82032_2008Elm Street Pond (3)
MA84046_2008Newfield Pond (5) (TMDL)
MA84044_2008Nabnasset Pond (4a) (TMDL)
MA82096_2008Russell Millpond (4c)
MA82059_2008Heart Pond (5)
MA82129_2008Meadow Pond (4c)
MerrimackMerrimackRiverRiver
PawtucketPawtucketCanalCanal
NorthernNorthernCanalCanal
NabnassetNabnassetLakeLake
SwainsSwainsPondPond
LakeLake
FreemanFreemanLakeLake
HartHartPondPond
LakeLake
Russell Mill PondRussell Mill Pond
Concord RiverConcord River
WinningsWinningsPondPond
495
3
3
40
4
225
110
133
110
27
4
38
3A
113
3A
129
Butter BrookButter Brook
Crooked SpringCrooked Spring
Winning Brook
Winning Brook
Deep BrookDeep Brook
Meadow BrookMeadow Brook
EvansEvans
River
Mead
ow B
rook
River
Mead
ow B
rook
Old Middlessex Canal
Old Middlessex Canal
Mead
ow Br
ook R
iver
Mead
ow Br
ook R
iver
Clay P
it Broo
k
Clay P
it Broo
k
Putnam Brook
Putnam Brook
Farley BrookFarley Brook
Beaver Brook
Beaver Brook
Stony
Brook
Stony
Brook
Tadmuck
Brook
Tadmuck
Brook
Concord RiverConcord River
Gilson BrookGilson Brook
Black Brook
Black Brook
Pond Brook
Pond Brook
Waterbody Assessment and TMDL Status 0 0.5Miles
Map produced by EPA Region I GIS CenterMap Tracker ID 6678, February 25, 2010
Data Sources: TeleAtlas, Census Bureau,USGS, MassDEP
Chelmsford, MAWaterbodies
MS4 Urbanized Areas (2000 Census)Municipal Boundaries
Swamp/MarshState ID,Waterbody Name (Category)(TMDL(s) approved for this waterbody)
Waterbody Label Assessment of Waterbody SegmentCategory 2: Attaining some uses; other usesnot assessedCategory 3: Insufficient information to make assessments for any use.See companion table for a listing of pollutants,non-pollutants, and TMDLs for each waterbody
Notes:1) Adapted from Final Massachusetts Year 2008 Integrated List of Waters;available at http://www.mass.gov/dep/water/resources/08list2.pdf2) Waterbodies shown without an identified category are assigned as Category 3 by definition.3) For additional information on TMDLs and to view reports, see: http://www.mass.gov/dep/water/resources/tmdls.htm4) For Massachusetts Surface Water Quality Standards, and waterbody classesand uses, see: http://www.mass.gov/dep/service/regulations/314cmr04.pdf
Category 4a: TMDL is completed and approved for one or more pollutantsCategory 4c: Impairment not caused by a pollutant.Category 5: Impaired or threatened for one or moreuses and requiring a TMDL.
