MA83-01_2008 (5) (TMDL) MA83-10_2008 MA82B-07_2008 MA82053_2008 Shawsheen River Kiln Brook (4a) (TMDL) (5) (TMDL) Elm Brook Great Meadows Lake Great Meadows Pond #3 (4c)

MA82A-07_2008 Bedford Assabet Concord River (5) River 62 MA83-08_2008 Shawsheen River (5) (TMDL)

Sudbury MA83-05_2008 River MA82A-20_2008 Elm Brook (5) (TMDL) Mill Brook (4c) Mill Brook MA82A-04_2008 Sudbury River (5)

Concord 2A Crosby Pond 126 Lexington 2

Hobbs Brook Goose Hobbs Brook Pond Walden Flints Pond Pond 2

MA82109_2008 (4a) (TMDL) MA72156_2008 Cambridge Reservoir, Upper Basin (5)

MA82A-04_2008 Sudbury River (5) MA72105_2008 Sudbury River Sandy Pond (3) Lincoln MA72014_2008 Cambridge Reservoir (3)

Cambridge Reservoir 117 Beaver MA82036_2008 MA72117_2008 Pond Farrar Pond (3) Todd Pond (3)

Farrar Pond Todd Pond

MA72-26_2008 Waltham Stony Brook (2) Valley Pond

126 117

Wayland Stony Brook

Sudbury Weston Hobbs Lake Notes: Brook 1) Adapted from Final Year 2008 Integrated List ofPond Waters; available at http://www.mass.gov/dep/water/resources/08list2.pdf MA82A-04_2008 Moore Moore River 2)Cherry Waterbodies Brook shown without an identified category are assigned as Category 3 by definition. Sudbury River (5) 3) For additional information on TMDLs and to view reports, Sudbury see: http://www.mass.gov/dep/water/resources/tmdls.htm

River 4) For Massachusetts Surface Water Quality Standards,HobbsHobbs and BrookBrook waterbody classes and uses, see: http://www.mass.gov/dep/service/regulations/314cmr04.pdf

0 0.5 Waterbody Assessment and TMDL Status Miles Map produced by EPA Region I GIS Center Map Tracker ID 6678, February 25, 2010 Lincoln, MA Data Sources: TeleAtlas, Census Bureau, USGS, MassDEP

Waterbody Label Assessment of Waterbody Segment Category 4a: TMDL is completed and approved for Waterbodies one or more pollutants State ID, Category 2: Attaining some uses; other uses Waterbody Name (Category) not assessed Impairment not caused by a pollutant. Swamp/Marsh (TMDL(s) approved for this waterbody) Category 4c: Category 3: Insufficient information to make MS4 Urbanized Areas (2000 Census) assessments for any use. Category 5: Impaired or threatened for one or more See companion table for a listing of pollutants, uses and requiring a TMDL. non-pollutants, and TMDLs for each waterbody Municipal Boundaries