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Connecticut State Report
Other states that contain this watershed:
New York, Housatonic Watershed
Massachusetts, Housatonic Watershed

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Water Quality Data Available for this Watershed

Connecticut, Housatonic Watershed


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Listed Waters for Reporting Year 2012
Connecticut, Housatonic Watershed

Description of this table
NOTE: Click on the underlined "Waterbody Name" to view a Waterbody report.
Ball Pond (New Fairfield) CT6402-00-1-L1_01 New Fairfield Freshwater Lake 80.7 acres TMDL needed
Bantam River-01 CT6705-00_01 From Mouth At Confluence With Shepaug River (Parallel With Whittlesey Road), Washington, Us To Confluence With Bizell Brook (Just Us Of West Morris Road Crossing), Morris. River 4.53 miles TMDL completed
Blackberry River (North Canaan)-01 CT6100-00_01 From Mouth At Confluence With Housatonic River (At Loop In River Around Island), Us To Confluence With North Canaan Wpcf (Near Old Railroad Grade, Currently Trail), North Canaan. River .78 miles TMDL needed
Blackberry River (North Canaan)-02a CT6100-00_02a From Confluence With North Canaan Wpcf (Near Old Railroad Grade, Currently Trail, Ds Of Route 44 Crossing), Us To Drainage Ditch At Southwest Boundary Of Lime Quarry (Parallel To Lower Road), North Canaan. River 2.75 miles TMDL needed
Blackberry River (North Canaan)-02a CT6100-00_02a From Confluence With North Canaan Wpcf (Near Old Railroad Grade, Currently Trail, Ds Of Route 44 Crossing), Us To Drainage Ditch At Southwest Boundary Of Lime Quarry (Parallel To Lower Road), North Canaan. River 2.75 miles TMDL needed
Blackberry River (North Canaan)-02b CT6100-00_02b From Drainage Ditch At Southwest Boundary Of Lime Quarry (Parallel To Lower Road), Us To Blast Furnace (Historical Park) At Lower Pond Dam Outlet On Iron Furnace Pond (Perpendicular To Furnace Hill Road), North Canaan. River 1.18 miles TMDL needed
Blackberry River (North Canaan)-02b CT6100-00_02b From Drainage Ditch At Southwest Boundary Of Lime Quarry (Parallel To Lower Road), Us To Blast Furnace (Historical Park) At Lower Pond Dam Outlet On Iron Furnace Pond (Perpendicular To Furnace Hill Road), North Canaan. River 1.18 miles TMDL needed
Bladens River-01 CT6919-00_01 From Mouth At Confluence With Naugatuck River (Just Ds Of New Haven Avenue (Route 8) And Derby Avenue (Route 67) Crossings), Us To North Street Crossing (Upper End Of Industrial Area), Seymour. River .68 miles TMDL needed
Branch Brook-01 CT6910-00_01 From Mouth At Confluence With Naugatuck River (Ds Of Route 8 Crossing), Us To Black Rock Dam Outlet (Along South Side Of Route 109), Watertown-Thomaston. River 2.06 miles TMDL needed
Brewsters Pond (Stratford) CT6000-88-1-L1_01 Stratford, East Of Main Street (Rte 113). Freshwater Lake 4.02 acres TMDL needed
Brewsters Pond (Stratford) CT6000-88-1-L1_01 Stratford, East Of Main Street (Rte 113). Freshwater Lake 4.02 acres TMDL needed
Deep Brook-01 CT6019-00_01 From Mouth At Confluence With Pootatuck River (South Side Of I84, Near Exit 10), Us To Headwaters At Deep Brook Pond Outlet Dam, Parallel To Head Of Meadow Road), Newtown. River 5.25 miles TMDL completed
East Branch Naugatuck River-01 CT6905-00_01 From Mouth At Confluence With West Branch Naugatuck River, Above Naugatuck River (Just Ds Of Franklin Drive Crossing), Us To North Elm Street Road (Route 4) Crossing, Torrington. River 1.33 miles TMDL needed
Farmill River-02 CT6025-00_02 From River Road (Route 110) Crossing (Wilson Gardens Dog Pond Outlet Dam), Shelton/Stratford Town Border, Us To Confluence With Means Brook (Us Of Sycamore Drive Crossing), Shelton. River 3.99 miles TMDL completed
Hancock Brook (Waterbury)-01 CT6911-00_01 From Mouth At Confluence With Naugatuck River (Segment-04) Ds Of Huntingdon Avenue And Railroad Crossings, Us To Hancock Pond Outlet Dam (Between Sheffield Street And Railroad), Waterbury. River 1.06 miles TMDL needed
Hatch Pond (Kent) CT6016-00-1-L3_01 South Central Kent, Ds Of Leonard Pond Along Womenshenuck Brook. Freshwater Lake 65.66 acres TMDL needed
Hatch Pond (Kent) CT6016-00-1-L3_01 South Central Kent, Ds Of Leonard Pond Along Womenshenuck Brook. Freshwater Lake 65.66 acres TMDL needed
Hitchcock Lake (Wolcott) CT6914-06-1-L1_01 Southeast Corner Of Wolcott, Near Cheshire Border. Freshwater Lake 100.3 acres TMDL completed
Hitchcock Lake (Wolcott) CT6914-06-1-L1_01 Southeast Corner Of Wolcott, Near Cheshire Border. Freshwater Lake 100.3 acres TMDL completed
Hockanum Brook (Beacon Falls)-01 CT6900-28_01 From Mouth At Confluence With Naugatuck River (Just Ds Of Main Street (Route 42) Crossing), Beacon Falls, Us To Headwaters At Simpson Lake Outlet Dam (Parallel To Beacon Road (Route 42)), Bethany. River 3.17 miles TMDL completed
Hollenbeck River-01 CT6200-00_01 From Mouth At Confluence With Housatonic River (Ds Of Point Of Rock Road (Route 126) Crossing), Canaan, Us To Headwaters (Us Of Cornwall Hollow Road (Route 43) Crossing), Cornwall. River 18.32 miles TMDL completed
Hop Brook Lake (Waterbury/Middlebury) CT6916-00-3-L4_01 Impoundment Of Hop Brook, Waterbury/Naugatuck/Middlebury. Freshwater Lake 25.77 acres TMDL needed
Hop Brook Lake (Waterbury/Middlebury) CT6916-00-3-L4_01 Impoundment Of Hop Brook, Waterbury/Naugatuck/Middlebury. Freshwater Lake 25.77 acres TMDL needed
Housatonic River-01 CT6000-00_01 From End Of Saltwater Influence, At Southern Most Portion Of Wooster Island, Orange, Us To Confluence With Naugatuck River, Shelton/Derby Town Border. River 3.17 miles TMDL needed
Housatonic River-02 CT6000-00_02 From Confluence With Naugatuck River, Us To Lake Housatonic Outlet Dam (Derby Dam), Shelton/Derby Town Border. (Between Segment 02 And 03, Are Lake Housatonic, Lake Zoar, And Lake Lillinonah, All Independent Waterbodies). River 1.5 miles TMDL needed
Housatonic River-04 CT6000-00_04 From Boardman Road Crossing (Between Route 7 And Railroad Tracks), New Milford, Us To Bull Bridge Outlet Dam (Us Of Bulls Bridge Road Crossing, West Side Of Route 7), Kent. River 8.05 miles TMDL needed
Housatonic River-04 CT6000-00_04 From Boardman Road Crossing (Between Route 7 And Railroad Tracks), New Milford, Us To Bull Bridge Outlet Dam (Us Of Bulls Bridge Road Crossing, West Side Of Route 7), Kent. River 8.05 miles TMDL needed
Housatonic River-06 CT6000-00_06 From Confluence With Mauwee Brook (Between River Road On West Side, And Railroad Tracks On East), Kent, Us To Great Falls Outlet Dam, Salisbury/Canaan (Amesville) Town Border. (Segment Follows River Channel, Not Concrete Passage From Dam). River 18.23 miles TMDL completed
Konkapot River-01 CT6004-00_01 From Massachusetts State Border (Ds Of Clayton Road Crossing), Us To Massachusetts State Border (Us Of Old Turnpike Road Crossing), North Canaan. (Small Loop Through Northern Connecticut). River 2.44 miles TMDL needed
Lillinonah, Lake (Newtown/Southbury/Bridgewater/Brookfield) CT6000-00-5+L1_01 Impoundment Of Housatonic River, From Shepaug Dam Us To Top Of Impundment, South Side Of Lovers Leap Road; Southbury And Bridgewater Along East Bank, Newtown, Brookfield, And New Milford Along West Bank. Freshwater Lake 1594.85 acres TMDL needed
Lis Cb Inner - Housatonic River (Mouth), Milford CT-C1_019-SB See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Mouth Between Sniffens Point And Milford Point, Us To Route 1 Crossing (Includes Nells Island Area, Lower Beaver Brook To Saltwater Limit, Goose Island, Crimbo Point), Milford/Stratford. Estuary .805 square miles TMDL needed
Lis Cb Inner - Housatonic River (Mouth), Milford CT-C1_019-SB See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Mouth Between Sniffens Point And Milford Point, Us To Route 1 Crossing (Includes Nells Island Area, Lower Beaver Brook To Saltwater Limit, Goose Island, Crimbo Point), Milford/Stratford. Estuary .805 square miles TMDL needed
Lis Cb Inner - Housatonic River (Upper), Orange CT-C1_021-SB See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Route 15 Crossing, Us To Just Below Wooster Island (Includes Great Flats, And Mouth Of Farmill River) Orange/Shelton. Estuary .402 square miles TMDL needed
Lis Cb Shore - Housatonic River Mouth, Stratford CT-C2_024-SB See Map For Boundaries. Central Portion Of Lis From Sa/Sb Wq Line At Stratford Point To Sa/Sb Wq Line At Milford Point Area (Includes Short Beach, Entire Mouth Of Housatonic River) All Sb Waters Out Approximately 1000-4000 Ft Offshore, Stratford. Estuary .64 square miles TMDL needed
Lis Cb Shore - Walnut Beach, Milford CT-C2_023 See Map For Boundaries. Central Portion Of Lis From Sa/Sb Wq Line At Milford Point To Sa/Sb Wq Line At Silver Sands State Park Beach Area (Includes Walnut Beach, All Sa, Housatonic River Mouth To The Gulf), Out Approximately 1000 Ft Offshore, Milford. Estuary .577 square miles TMDL completed
Long Meadow Pond Brook-01 CT6917-00_01 From Mouth At Confluence With Naugatuck River (Ds Of Elm Street Crossing And Railroad Crossing), Us To Outlet Of Naugatuck Ice Company Pond Dam (Just Us Of Rubber Avenue Crossing), Naugatuck. River .94 miles TMDL needed
Mad River (Waterbury)-01 CT6914-00_01 From Mouth At Confluence With Naugatuck River (Behind Roller Magic, Off Of Harvester Road), Us To Route 69 Crossing (Us Of I84 Crossing, Exit 22 Area, And Just Us Of Brass City Mall), Waterbury. River 1.77 miles TMDL needed
Mad River (Waterbury)-02 CT6914-00_02 From Route 69 Crossing (Us Of I84 Crossing, Exit 22 Area, And Just Us Of Brass City Mall), Us To Confluence With Beaver Pond Brook, Just Us Of I84 Crossing (Scovill Pond No Longer Exists), Waterbury. River 1.01 miles TMDL needed
Mad River (Waterbury)-03a CT6914-00_03a From Confluence With Beaver Pond Brook, (Just Us Of I84 Crossing And Ds Of Plank Road Crossing, In Former Scovill Ponds Section), Waterbury, Us To Confluence With Lily Brook (Ct6914-06 Gazetteer, And Called Finch Brook In Nhd), Wolcott. River 3.46 miles TMDL needed
Mill Brook (Cornwall)-02b CT6008-00_02b From Rattlesnake Road Crossing, Us To Headwaters At Cream Hill Lake Outlet Dam (Us Of Town Street Crossing), Cornwall. River 1.01 miles TMDL needed
Mill Brook (Sharon)-02 CT6302-00_02 From Confluence With Beebee Brook (Just Ds Of Woods 1 Road Crossing), Us To Hatch Pond Outlet Dam (Just Us Of Mitchelltown Road Crossing And Confluence With Bog Meadow Brook), Sharon. River 1.66 miles TMDL completed
Naugatuck River-01 CT6900-00_01 From Mouth At Confluence With Housatonic River (Ds Of Railroad Crossing), Derby, Us To Rimmon (Tingue) Outlet Dam (Us Of Broad Street Crossing, And Just Ds Of Route 8 Crossing), Seymour. River 6.15 miles TMDL needed
Naugatuck River-02 CT6900-00_02 From Rimmon (Tingue) Outlet Dam (Just Ds Of Route 8 Crossing), Seymour, Us To Confluence With Hopeville Pond Brook, Just Us Of Waterbury Wpcf. (Segment Includes Wtby, Naug & Beacon Falls Wpcfs, & Dredge Holes In River Between Rts 42 & 67 In Beacon Falls) River 11.26 miles TMDL needed
Naugatuck River-03 CT6900-00_03 From Confluence With Hopeville Pond Brook, Just Us Of Waterbury Wpcf, Us To Confluence With Steele Brook (West Side Of Route 8, At Route 73 Connection), Waterbury. River 3.52 miles TMDL needed
Naugatuck River-04 CT6900-00_04 From Confluence With Steele Brook (West Side Of Route 8, At Route 73 Connection), Waterbury, Us To Sewage Leak From Pipe Under River (Near Old Bridge Abutment) Along Chase River Road, Watertown/Waterbury Town Border. River 1.65 miles TMDL needed
Naugatuck River-06 CT6900-00_06 From Confluence With Thomaston Wpcf Outfall (Just Us Of Confuence With Branch Brook), Thomaston, Us To Confluence With Spruce Brook (West Side Of Route 8), Litchfield/Harwinton Town Border. River 9 miles TMDL needed
Naugatuck River-07 CT6900-00_07 From Confluence With Spruce Brook (West Side Of Route 8), Litchfield/Harwinton Town Border, Us To Confluence With Torrington Wpcf (Just Us Of Bend North Of Plant), Harwinton/Torrington Town Border. River 2.71 miles TMDL needed
Naugatuck River-08 CT6900-00_08 From Confluence With Torrington Wpcf (Just Us Of Bend, North Of Plant), Harwinton/Torrington Town Border, Us To Headwaters At Confluence Of East And West Branches Of Naugatuck River (Just Us Of East Albert Street Crossing), Torrington. River 1.36 miles TMDL needed
Northfield (Reservoir) Brook Lake (Thomaston) CT6909-00-2-L1_01 Impoundment Of Northfield Brook, Northeast Corner Of Thomaston. Freshwater Lake 5.3 acres TMDL needed
Northfield (Reservoir) Brook Lake (Thomaston) CT6909-00-2-L1_01 Impoundment Of Northfield Brook, Northeast Corner Of Thomaston. Freshwater Lake 5.3 acres TMDL needed
Padanaram Brook-01 CT6603-00_01 From Mouth At Confluence With Still River (Just Ds Of Crosby Street Crossing), Us To Headwaters At Padanaram Reservoir Outlet Dam (Parallel To Padanaram Road), Danbury. River 3.71 miles TMDL needed
Pomperaug River-01 CT6800-00_01 From Mouth At Confluence With Housatonic River (Ds Of River Road Crossing, Near West Side Of I84, Exit 13), Us To Confluence Withtransylvania Brook (South Side Of East Flat Hill Road), Southbury. River 2.74 miles TMDL completed
Pomperaug River-03 CT6800-00_03 From Flood Bridge Road Crossing, Us To Confluence With Bullet Hill Brook (Just Ds Of Heritage Road Crossing), Southbury. (Segment Includes Heritage Village Potw Discharge) River 1.31 miles TMDL completed
Steele Brook-02 CT6912-00_02 From Sherwood Medical (American Home Products) Area (Site Is Behind Municipal Stadium Parking Lot On Northend Of Stadium Property), Waterbury, Us To Inlet Of Heminway Pond (Ds Of Route 6 Crossing, Pond Included In Segment), Watertown. River 3.78 miles TMDL needed
Still River (Brookfield/Danbury)-02 CT6600-00_02 From Silvermine Road Crossing (Usgs Station), Brookfield (Just Ds Of Route 7 Crossing, And Ds Of Confluence With Charles Pickneys Brook), Us To Confuence With Limekiln Brook (Just Us Of I84 Crossing), Danbury. River 6.21 miles TMDL needed
Still River (Danbury)-03 CT6600-00_03 From Confuence With Limekiln Brook (Just Us Of I84 Crossing), Us To Confluence With Sympaug Brook (Just Us Of Cross Street Crossing), Danbury. River 2.19 miles TMDL needed
Still River (Danbury)-04 CT6600-00_04 From Confluence With Sympaug Brook (Just Us Of Cross Street Crossing), Us To Confluence With Padanaram Brook (Just Us Of White Street Crossing, River Runs Between Railroad Tracks), Danbury. River 1.56 miles TMDL needed
Still River (Danbury)-05 CT6600-00_05 From Confluence With Padanaram Brook (Just Us Of White Street Crossing, River Runs Between Railroad Tracks), Us To Lake Kenosia Outlet (Just Us Of Kenosia Avenue Crossing), Danbury. River 3.87 miles TMDL needed
Still River (New Milford/Brookfield)-01 CT6600-00_01 From Mouth At Confluence With Housatonic River (Ds Of Railroad Crossing), New Milford, Us To Silvermine Road Crossing (Usgs Station), Brookfield (Just Ds Of Route 7 Crossing, And Ds Of Confluence With Charles Pickneys Brook), Brookfield. River 8.48 miles TMDL needed
Sympaug Brook-01 CT6604-00_01 From Mouth At Confluence With Still River (Ds Of Shelter Rock Road Crossing, Parallel To Cross Street), Us To Greatpasture Road (Wooster Street) Crossing, Danbury. River .6 miles TMDL needed
Transylvania Brook-02 CT6806-00_02 From Confluence With Spruce Brook (Just Us Side Of Southbury Training School Stp), Us To Gravel Pit Pond Outlet Dam (Us Of South Britian Road (Route 172) Crossing), Southbury. River .32 miles TMDL needed
Weekeepeemee River-01 CT6804-00_01 From Mouth At Confluence With Nonewaug River, Above Pomeraug River (Ds Of Jacks Bridge Road Crossing), Woodbury, Us To Headwaters In Marsh (Just Us Of Bergman Hill Road Crossing, East Of Intersection With Todd Hill Road), Morris. River 9.61 miles TMDL completed
West Branch Naugatuck River-01 CT6904-00_01 From Mouth At Confluence With East Branch Naugatuck River, Above Naugatuck River (Us Of East Albert Street Crossing), Us To Old Brass Mill Pond Outlet Dam (1st Impoundment On River), Just Us Of Church Street Crossing, Torrington. River .97 miles TMDL needed
Zoar, Lake (Monroe/Newtown/Oxford/Southbury) CT6000-00-5+L2_01 From Stevenson Dam, Oxford/Monroe, Us To A Line Drawn Between Dep Lake Zoar Wildlife Area Boat Launch On Northeast Shore In Southbury, Across To Just Ds Of Confluence With Gelding Brook On Southwest Shore In Newtown (Riverside). Freshwater Lake 580.57 acres TMDL completed

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Causes of Impairment for Reporting Year 2012

Connecticut, Housatonic


No impairment data have been reported to EPA for this watershed.

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Cumulative TMDLs by Pollutant

Connecticut, Housatonic Watershed

This chart includes TMDLs since October 1, 1995.

Description of this table
NOTE: Click on the underlined "Number of TMDLs Completed" value to see a listing of those approved TMDLs for the pollutant.
Number of Causes of
Impairment Addressed
Escherichia Coli (E. Coli) color.gif 40 40
Copper color.gif 4 4
Ammonia color.gif 3 3
Chlorine color.gif 3 3
Zinc color.gif 3 3
Fecal Coliform color.gif 2 2
Algal Growth/Chlorophyll A color.gif 1 1
Lead color.gif 1 1
Nitrogen color.gif 1 1
Nitrogen, Total color.gif 1 1
Phosphorus, Total color.gif 1 1
Toxicity color.gif