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Connecticut State Report

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Water Quality Data Available for this Watershed

Connecticut, Quinnipiac Watershed


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Features

Assessment Summary for Reporting Year 2010
Connecticut, Quinnipiac Watershed

Description of this table
Click here to list Threatened and Impaired Waters Only
NOTE: Click on the underlined "Waterbody Name" to view a Waterbody report.
Waterbody Name Waterbody ID Location Map Waterbody Type Size Units Status State TMDL Development Status
Allen Brook Pond (North Haven/Wallingford) CT5207-02-1-L1_01 Wharton Brook State Park. Impoundment Off Allen Brook, Near Mouth And Confluence With Wharton Brook; Wallingford/North Haven Boundary. Waterbody Map Freshwater Lake 4.8 Acres Impaired TMDL completed
Allen Brook-01 CT5207-02_01 From Mouth At Confluence With Wharton Brook (East Of Route 5, South Of Exit 13 On/Off Ramp, I91), Us To Allen Brook Pond Outlet Dam, Wallingford. Waterbody Map River .1 Miles Impaired TMDL completed
Allen Brook-02 CT5207-02_02 From Inlet To Allen Brook Pond (South Of Exit 13 On/Off Ramp, I91), Wallingford/North Haven Town Borders, Us To Headwaters (Under I91, And Then Parallel Along East Side, Stays To West Side Of Railroad Track), Wallingford. Waterbody Map River 1.8 Miles Impaired TMDL completed
Black Pond (Meriden/Middlefield) CT5206-01-1-L2_01 On Meriden/Middlefield Town Border, South Side Of Meriden Road (Route 66). Waterbody Map Freshwater Lake 69.9 Acres Good  
Branford River-01 CT5111-00_01 From Route 1 Crossing (Just Ds Of I95 Crossing), Us To Confluence With Notch Hill Brook (Us Of School Ground Road Crossing). Waterbody Map River 2.9 Miles Good  
Branford River-02 CT5111-00_02 From Confluence With Notch Hill Brook (Us Of School Ground Road Crossing), Branford, Us To Lake Gaillard Outlet Dam (Southeast Portion Of Lake), North Branford. Waterbody Map River 3.1 Miles Good  
Branford Supply Pond, Northwest (Branford) CT5111-09-2-L3_01 Northwest Branford Supply Pond Receives Water From Pisgah Brook And Pine Gutter Brook (Int Trib To Pisgah Brook). Discharges To Southeast Branford Supply Pond. Ponds Located On North Side Of I95 (East Of Lake Saltonstall Area). Waterbody Map Freshwater Lake 9.4 Acres Impaired TMDL needed
Branford Supply Pond, Southeast (Branford) CT5111-09-2-L3_02 Southeast Branford Supply Pond Located On North Side Of I95, Receives Water From Northwest Branford Supply Pond, And Discharges To Pisgah Brook Below Ponds (Continues Into Branford River Below Route 1 Crossing). Waterbody Map Freshwater Lake 17.1 Acres Good  
Burrs Brook-01 CT5112-10_01 From Mouth At Confluence With Farm River (Just Ds Of Totoket Road Crossing), Us To Vic'S Pond (On Tomasso Property) Outlet (Part Of Hyro Missing From Nhd). Brook Contributes To Drinking Water Supply, Lake Saltonstall. Waterbody Map River 1.4 Miles Impaired TMDL needed
Cedar Pond (North Branford) CT5111-09-1-L1_01 South Of Lake Gaillard, North Branford, Just Upstream Of Linsley Pond Along Pisgah Brook (Trib To Branford River). Waterbody Map Freshwater Lake 21.6 Acres Impaired TMDL completed
Chatfield Hollw Brook (Killingworth)-01 CT5105-00_01 From Mouth At Confluence With Hammonasset River (Ds Of River Road Crossing), Us To Deer Lake Outlet Dam, Killingworth. Waterbody Map River 1.0 Miles Impaired TMDL needed
Dayton Brook-01 CT5201-04_01 From Mouth At Confluence With Eightmile River (West Side Of I84, South Of Jude Lane), Us To Headwaters (Just Us Of Sandra Lane Crossing), Southington. Waterbody Map River 2.0 Miles Good  
East River (Guilford)-01 CT5108-00_01 From Platner Dam (Just Us Of Foot Bridge Road Crossing, Head Of Tide), Us To 2nd Unnamed Tributary (Below Lakes), Guilford. Waterbody Map River .7 Miles Impaired TMDL needed
Edgewood Park Pond (New Haven) CT5305-00-3-L1_01 Along Eastern Bank Of West River, Just Us Of Chapel St, New Haven. Waterbody Map Freshwater Lake 2.7 Acres Impaired TMDL needed
Eightmile River (Southington)-01 CT5201-00_01 From Mouth At Confluence With Quinnipiac River (Ds Of West Main Street Crossing And Just Ds Of Railroad Crossing), Us To Grannis Pond Outlet Dam (Just Us Of Churchhill Street Crossing), Southington. Waterbody Map River 3.4 Miles Impaired TMDL alternative
Eightmile River (Southington)-02 CT5201-00_02 From Grannis Pond Inlet (Just Ds Of Welch Road Crossing), Southington, Us To Headwaters At Bristol Fish & Game Club Pond Outlet Dam, Wolcott. Waterbody Map River 2.4 Miles Good  
Farm River (East Haven)-01 CT5112-00_01 From Saltwater Limit At Marsh (Just Ds Of Main Street Anx. Crossing, Southwest Of Lake Saltonstall Outflow), East Haven, Us (Parallel To Lake, Around West Side) To Confluence With Burrs Brook (Ds Of Route 80 Crossing), North Branford. Waterbody Map River 6.1 Miles Impaired TMDL needed
Farm River (East Haven)-02 CT5112-00_02 From Confluence With Burrs Brook (Ds Of Route 80 Crossing), Us To Pages Mill Pond Outlet Dam, Us Side Of Mill Road Crossing, North Branford. Waterbody Map River 1.2 Miles Impaired TMDL needed
Farm River (East Haven)-03 CT5112-00_03 From Pages Mill Pond Inlet, Us To Headwaters (Just Us Of Hyla Lane Crossing, Near Middletown Avenue (Route 17) Are), North Branford. Waterbody Map River 8.9 Miles Good  
Foster Pond (Killingworth) CT5105-00-2-L2_01 South Of Rt. 80, Across From Chatfield Hollow State Park, Killingworth. Waterbody Map Freshwater Lake 27.9 Acres Good  
Hammonasset River-01 CT5106-00_01 From Saltwater Limit At Ds Most Portion Of I95 Crossing, Madison/Clinton Town Border, Us To Hammonassett Reservoir Outlet Dam (Just Us Of Route 80 Crossing), Killingworth/Madison Town Border. Waterbody Map River 8.1 Miles Good  
Hammonasset River-02 CT5106-00_02 From Hammonassett Reservoir Inlet (At Northeastern Most Corner, Just Ds Of Bunnell Bridge Road Crossing), Us To County Road Crossing (Just Us Of Confluence With Bunker Hill Brook), Killingworth/Madison Town Border. Waterbody Map River 2.6 Miles Good  
Hammonasset River-03 CT5106-00_03 From County Road Crossing (Just Us Of Confluence With Bunker Hill Brook), Killingworth/Madison Town Border, Us To Madison Road (Route 79) Crossing At Madison/Durham Border. Waterbody Map River 3.4 Miles Good  
Hanover Pond (Meriden) CT5200-00-4-L2_01 Southwest Corner Of Meriden, Impoundment Along Quinnipiac River Below Gorge. Waterbody Map Freshwater Lake 70.5 Acres Impaired TMDL needed
Harbor Brook (Meriden)-01 CT5206-00_01 From Mouth At Confluence With Quinnipiac River (Flows Into North Side Of Hanover Pond Portion Of River, Ds Of Bradley Avenue Crossing), Us To Exit Of Box Culvert (Just Ds Of Railroad And Main Street (Route 71) Crossings), Meriden. Waterbody Map River 2.0 Miles Impaired TMDL needed
Harbor Brook (Meriden)-02 CT5206-00_02 From Exit Of Box Culvert (Just Ds Of Railroad And Main Street (Route 71) Crossings), Us To Culvert Entrance (Just Us Of Fire Station, And Us Of Mill Street Crossing), Meriden. Waterbody Map River .4 Miles Impaired TMDL completed
Harbor Brook (Meriden)-03 CT5206-00_03 From Culvert Entrance (Just Us Of Fire Station, And Us Of Mill Street Crossing), Us To Baldwins Pond Outlet Dam (Just Us Of Westfield Road Crossing), Meriden. Waterbody Map River 1.5 Miles Impaired TMDL needed
Honeypot Brook-01 CT5200-07_01 Mouth At Confluence With Quinnipiac River, (Us Of Blacks Road Crossing), Us To Headwaters, Us Of Wiese Road Crossing (Near Route 70), Cheshire. Waterbody Map River 5.0 Miles Good  
Indian River (Clinton)-01 CT5104-00_01 Head Of Tide At Indian Lake Dam Outlet, (Ds End Of Indian Lake, South Side Of I95), Clinton, Us To Headwaters (At Wetland, Just Us Of Hemlock Drive Crossing, Parallel To Route 81), Killingworth. Waterbody Map River 7.9 Miles Good  
Linsley Pond (Branford/North Branford) CT5111-09-1-L2_01 South Of Lake Gaillard, North Branford, Just Downstream Of Cedar Pond Along Pisgah Brook (Trib To Branford River). Linsley Pond Straddles Branford-North Branford Town Line. Waterbody Map Freshwater Lake 22.9 Acres Impaired TMDL completed
Lis Cb Inner - Branford River, Branford CT-C1_010 See Map For Boundaries. Central Portion Of Lis, Inner Estuary, Sa Water From Sa/Sb Water Quality Line At Rr Crossing Above Route 146 Crossing, Us To Saltwater Limit Near Route 1, Branford. Waterbody Map Estuary .0 Square Miles Impaired TMDL needed
Lis Cb Inner - Clinton Harbor (Sa Inputs), Clinton CT-C1_005 See Map For Boundaries. Central Portion Of Lis, Inner Estuary, (Discontinuous Segment) Sa Water Of Upper Hammonasset, Indian, Hammock Rivers, Dudley Creek And Other Small Tributaries, From Sa/Sb Water Quality Line, Us To Saltwater Limits, Clinton. Waterbody Map Estuary .1 Square Miles Impaired TMDL needed
Lis Cb Inner - Cove River, West Haven CT-C1_016 See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Mouth At West Haven West Beach (Just Ds Of Ocean Avenue Crossing), Us To Saltwater Limit Near Riverview Terrace, West Haven. Waterbody Map Estuary .0 Square Miles Impaired TMDL needed
Lis Cb Inner - East And Neck Rivers, Guilford CT-C1_006 See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Mouth Of East River At Outlet Into Guilford Harbor, Us To Saltwater Limit At Planter Pond Outlet (Includes Neck River From Mouth To Above River Edge Farms Road, Guilford. Waterbody Map Estuary .2 Square Miles Impaired TMDL needed
Lis Cb Inner - Farm River, East Haven CT-C1_011 See Map For Boundaries. Central Portion Of Lis, Inner Estuary, Sa Water From Sa/Sb Water Quality Line At Route 142 (Short Beach Road), Us To Saltwater Limit Above Rr Crossing And Near Route 1, East Haven/Branford. Waterbody Map Estuary .1 Square Miles Impaired TMDL needed
Lis Cb Inner - Hammonasset River, Clinton CT-C1_003-SB See Map For Boundaries. Central Portion Of Lis, Inner Estuary, Hammonasset River Sb Water From Mouth At Inner Clinton Harbor, Us To Sa/Sb Water Quality Line Between Currycross Road And Rr Track, Clinton. Waterbody Map Estuary .1 Square Miles Impaired TMDL needed
Lis Cb Inner - Inner Branford Harbor, Branford CT-C1_009-SB See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Branford Point, Us To Sa/Sb Water Quality Line At Rr Crossing Above Route 146 Crossing, Branford. Waterbody Map Estuary .3 Square Miles Impaired TMDL needed
Lis Cb Inner - Inner Clinton Harbor, Clinton CT-C1_002-SB See Map For Boundaries. Central Portion Of Lis, Inner Estuary, Sb Water Of Inner Clinton Harbor, Including Mouths Of Hammonasset, Indian, Hammock Rivers, And Dudley Creek (Includes Esposito Beach), Clinton. Waterbody Map Estuary .4 Square Miles Impaired TMDL needed
Lis Cb Inner - Joshua Cove, Beattie Pond, Guilford CT-C1_008 See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Mouth At Outlet Into Joshua Cove, Us To Saltwater Limit Above Route 146 And Rr Crossing (Includes Beattie Pond), Guilford. Waterbody Map Estuary .1 Square Miles Good  
Lis Cb Inner - Milford Harbor & Gulf Pond, Milford CT-C1_018-SB See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Mouth At Burns Point, The Gulf, Us Milford Harbor To New Haven Avenue Crossing (Saltwater Limit), And Us Indian River (Through Gulf Pond) To Saltwater Limit Us Of I95 Crossing, Milford. Waterbody Map Estuary .3 Square Miles Impaired TMDL needed
Lis Cb Inner - Mill River (Mouth), New Haven/Hamden CT-C1_023-SB See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Mouth At Confluence With Quinnipiac River (Chapel Street Crossing), New Haven, Us To Footbridge Crossing (Just Us Of East Rock Road Crossing), Hamden. Waterbody Map Estuary .1 Square Miles Impaired TMDL needed
Lis Cb Inner - Morris Creek, East Haven CT-C1_012 See Map For Boundaries. Central Portion Of Lis, Inner Estuary, Sa Water From Sa/Sb Water Quality Line At New Haven Harbor (Near Lighthouse Point Beach) To, Us To Saltwater Limit Above Route 337, East Haven/New Haven. Waterbody Map Estuary .0 Square Miles Impaired TMDL needed
Lis Cb Inner - New Haven Harbor, New Haven CT-C1_013-SB See Map For Boundaries. Central Portion Of Lis, Inner Estuary, Inner New Haven Harbor From Sandy Point To I95 Crossing (Mouth Of Quinnipiac And Mill Rivers, And Mouth Of West River), New Haven/West Haven. Waterbody Map Estuary 2.3 Square Miles Impaired TMDL needed
Lis Cb Inner - Oyster River, Milford CT-C1_017 See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Mouth At Oyster River Beach (Just Ds Of New Haven Avenue Crossing), Us To Saltwater Limit Near Woodmont Road, Milford. Waterbody Map Estuary .0 Square Miles Impaired TMDL needed
Lis Cb Inner - Patchogue And Menunketesuck Rivers CT-C1_001 See Map For Boundaries. Central Portion Of Lis, Inner Estuary, Patchogue And Menunketesuck Rivers From Mouths At Grove Beach Point, Us To Saltwater Limits Just Above I95 Crossing, And At I95 Crossing Respectively, Westbrook. Waterbody Map Estuary .2 Square Miles Impaired TMDL needed
Lis Cb Inner - Quinnipiac River (Mouth), New Haven CT-C1_014-SB See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Mouth At I95 Crossing, Us Quinnipiac River To Sackett Point Road (Includes Mill River Mouth Below Chapel Street Crossing), North Haven. Waterbody Map Estuary .6 Square Miles Impaired TMDL needed
Lis Cb Inner - West River (Lower), West Haven CT-C1_015-SB See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Mouth Just Ds Of I95 Crossing (City Point, New Haven Harbor), Us To Sa/Sb Water Quality Line At Route 1 Crossing, West Haven. Waterbody Map Estuary .1 Square Miles Impaired TMDL needed
Lis Cb Inner - West River (Upper), West Haven CT-C1_022 See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Sa/Sb Water Quality Line At Route 1 Crossing, Us Past Route 34 Crossing To Southside Of Edgewood Avenue (Near Edgewood Park Pond), West Haven. Waterbody Map Estuary .1 Square Miles Impaired TMDL needed
Lis Cb Inner - West River, Guilford CT-C1_007 See Map For Boundaries. Central Portion Of Lis, Inner Estuary, From Mouth Of West River At Outlet Into Guilford Harbor, Us To Saltwater Limit At Route 1 Crossing, Guilford. Waterbody Map Estuary .0 Square Miles Impaired TMDL needed
Lis Cb Shore - Bayview, Milford CT-C2_021 See Map For Boundaries. Central Portion Of Lis From Sa/Sb Water Quality Line At Welches Point To Sa/Sb Water Quality Line At Pond Point Area (Includes Only Sa Water Between New Haven Harbor And Gulf), Out Approximately 1000 Ft Offshore, Milford. Waterbody Map Estuary .3 Square Miles Good  
Lis Cb Shore - Branford Harbor, Branford CT-C2_014-SB See Map For Boundaries. Central Portion Of Lis From Johnson Point To Clam Island Area (Includes Branford Point Beach, Lovers Island, Indian Neck Point, Linden Point), Out Approximately 1000 Ft Offshore, Branford. Waterbody Map Estuary .6 Square Miles Good  
Lis Cb Shore - Clinton Beach, Clinton CT-C2_003 See Map For Boundaries. Central Portion Of Lis From Kelsey Point To Grove Beach Point Area (To Portside Drive, Includes Patchogue River Outlet), Out Approximately 1000 Ft Offshore, Clinton/Westbrook. Waterbody Map Estuary .5 Square Miles Impaired TMDL needed
Lis Cb Shore - Guilford Harbor, Guilford CT-C2_008 See Map For Boundaries. Central Portion Of Lis From Mulberry Point To Hogshead Point Area (Includes Jacobs Beach, Guilford Point), Out Approximately 1000 Ft Offshore, Guilford. Waterbody Map Estuary .5 Square Miles Impaired TMDL needed
Lis Cb Shore - Hammonasset Beach, Madison CT-C2_005 See Map For Boundaries. Central Portion Of Lis From Webster Point To West Rock Area (Includes Hammonasset State Park Beach), Out Approximately 1000 Ft Offshore, Madison. Waterbody Map Estuary .6 Square Miles Impaired TMDL needed
Lis Cb Shore - Indian Cove, Guilford CT-C2_009 See Map For Boundaries. Central Portion Of Lis From Sachem Head To Mulberry Point Area (Includes Vineyard Point), Out Approximately 1000 Ft Offshore, Guilford. Waterbody Map Estuary .4 Square Miles Impaired TMDL needed
Lis Cb Shore - Indian Neck, Branford CT-C2_013 See Map For Boundaries. Central Portion Of Lis From Clam Island To Brown Point Area (Includes Haycock Point), Out Approximately 1000 Ft Offshore, Branford. Waterbody Map Estuary .6 Square Miles Impaired TMDL needed
Lis Cb Shore - Joshua Cove & Island Bay, Guilford CT-C2_010 See Map For Boundaries. Central Portion Of Lis From Clark Point To Sachem Head Area (Includes Horse And Foskett Islands), Out Approximately 1000 Ft Offshore, Guilford. Waterbody Map Estuary .7 Square Miles Impaired TMDL needed
Lis Cb Shore - Madison Beaches (East), Madison CT-C2_006 See Map For Boundaries. Central Portion Of Lis From West Warf To Webster Point Area (Includes West Warf And East Warf Beaches, Tuxis Island, And Tidal Fence Creek ), Out Approximately 1000 Ft Offshore, Madison. Waterbody Map Estuary .4 Square Miles Impaired TMDL needed
Lis Cb Shore - Madison Beaches (West), Madison CT-C2_007 See Map For Boundaries. Central Portion Of Lis From Hogshead Point To West Warf Area (Includes Surf Club Beach, Chipman Point), Out Approximately 1000 Ft Offshore, Madison. Waterbody Map Estuary .5 Square Miles Impaired TMDL needed
Lis Cb Shore - Morris Cove, New Haven CT-C2_017-SB See Map For Boundaries. Central Portion Of Lis From Black Rock To Morgan Point Area (Includes Lighthouse Point Beach, Lighthouse Point, South End), Out Approximately 1000 Ft Offshore, New Haven. Waterbody Map Estuary .6 Square Miles Impaired TMDL needed
Lis Cb Shore - New Haven Harbor (East), East Haven CT-C2_016-SB See Map For Boundaries. Central Portion Of Lis From Morgan Point To Mansfield Point Area (Includes East Haven Beach, South End Point, Momauguin), Out Approximately 1000 Ft Offshore, East Haven. Waterbody Map Estuary .4 Square Miles Good  
Lis Cb Shore - New Haven Harbor (Swest), Milford CT-C2_020-SB See Map For Boundaries. Central Portion Of Lis From Sa/Sb Water Quality Line At Pond Point To Merwin Point Area (Includes Anchor Beach #1, Anchor Beach #2, Morningside), Out Approximately 1000 Ft Offshore, Milford. Waterbody Map Estuary .4 Square Miles Good  
Lis Cb Shore - New Haven Harbor (West), Milford CT-C2_019-SB See Map For Boundaries. Central Portion Of Lis From Merwin Point To Oyster River Point Area (Includes Woodmont Beach, Oyster River Outlet), Out Approximately 1000 Ft Offshore, Milford. Waterbody Map Estuary .3 Square Miles Good  
Lis Cb Shore - New Haven Harbor (West), West Haven CT-C2_018-SB See Map For Boundaries. Central Portion Of Lis From Oyster River Point To Sandy Point Area (Includes West Haven West Beach, West Haven East Beach, West Shore, Sandy Point), Out Approximately 1000 Ft Offshore, West Haven. Waterbody Map Estuary .8 Square Miles Impaired TMDL needed
Lis Cb Shore - Outer Clinton Harbor, Clinton CT-C2_004 See Map For Boundaries. Central Portion Of Lis From West Rock To Kelsey Point Area (Outer Clinton Harbor Sa Water Includes Hammonasset, Indian, And Hammock River Outlets, And Town Beach), Out Approximately 1000 Ft Offshore, Clinton. Waterbody Map Estuary .5 Square Miles Impaired TMDL needed
Lis Cb Shore - Pages Cove, Branford CT-C2_015-SB See Map For Boundaries. Central Portion Of Lis From Mansfield Point To Johnson Point Area (Includes Clark Avenue Beach, Farm River Gut, Kelsey Island, Gull Rocks), Out Approximately 1000 Ft Offshore, Branford. Waterbody Map Estuary .7 Square Miles Good  
Lis Cb Shore - Stony Creek (East), Branford CT-C2_011 See Map For Boundaries. Central Portion Of Lis From Flying Point To Clark Point Area (Includes Hoadley Neck, Narrows Island), Out Approximately 1000 Ft Offshore, Branford/Guilford. Waterbody Map Estuary .5 Square Miles Impaired TMDL needed
Lis Cb Shore - Stony Creek (West), Branford CT-C2_012 See Map For Boundaries. Central Portion Of Lis From Brown Point To Flying Point Area (Includes Stony Creek Beach, Saint Helena Island, Juniper Point, Pleasant Point), Out Approximately 1000 Ft Offshore, Branford. Waterbody Map Estuary .4 Square Miles Impaired TMDL needed
Lis Cb Shore - The Gulf, Milford CT-C2_022-SB See Map For Boundaries. Central Portion Of Lis From Sa/Sb Wq Line At Western End Of Silver Sands State Park Beach To Sa/Sb Wq Line At Welches Point Area (Includes Silver Sands And Gulf Beaches) All Sb Water In The Gulf Out To Charles Island, Milford. Waterbody Map Estuary .6 Square Miles Good  
Lis Cb Shore - Westbrook Harbor (East), Westbrook CT-C2_001 See Map For Boundaries. Central Portion Of Lis From Fiske Lane To Old Saltworks Road (Includes Middle Beach), Out Approximately 1000 Ft Offshore, Westbrook. Waterbody Map Estuary .2 Square Miles Impaired TMDL needed
Lis Cb Shore - Westbrook Harbor (West), Westbrook CT-C2_002 See Map For Boundaries. Central Portion Of Lis From Portside Drive Near Patchogue River Outlet To Fiske Lane (Includes Westbrook Town Beach), Out Approximately 1000 Ft Offshore, Westbrook. Waterbody Map Estuary .2 Square Miles Impaired TMDL needed
Lis Eb Inner - Oyster River Area, Old Saybrook CT-E1_032 See Map For Boundaries. Eastern Portion Of Lis, Inner Estuary, Oyster River, Plum Bank Creek, And Back River From Mouths On Indian Harbor, Us To Saltwater Limits (Oyster River Is To Rr Crossing Above Route 1), Old Saybrook. Waterbody Map Estuary .1 Square Miles Impaired TMDL needed
Lis Eb Midshore - Old Saybrook, Ct River CT-E3_009-SB See Map For Boundaries. Eastern Portion Of Lis From Sb/Sa Water Quality Boundary, Lynde Point In Ct River Mouth Old Saybrook, To Approximately 1000 Ft Offshore East Of White Sands Beach, Old Lyme (Mouth Of Connecticut River). Waterbody Map Estuary 2.9 Square Miles Good  
Lis Eb Shore - Indiantown Harbor, Old Saybrook CT-E2_022 See Map For Boundaries. Eastern Portion Of Lis From Long Rock To Plum Bank Creek (Includes The Mouth Of Oytser River And Back River, And Plum Bank Creek), Out Approximately 1000 Ft Offshore. Waterbody Map Estuary .4 Square Miles Impaired TMDL needed
Lis Eb Shore - Plum Bank, Old Saybrook CT-E2_021 See Map For Boundaries. Eastern Portion Of Lis From Plum Bank Creek To Cornfield Point (Includes Town Beach), Out Approximately 1000 Ft Offshore. Waterbody Map Estuary .2 Square Miles Impaired TMDL needed
Lis Eb Shore - Willard Bay, Old Saybrook CT-E2_020 See Map For Boundaries. Eastern Portion Of Lis From Cornfield Point To Sb/Sa Water Quality Boundary At Lynde Point, Out Approximately 1000 Ft Offshore. (Sb Water) Waterbody Map Estuary .5 Square Miles Impaired TMDL needed
Menunketesuck River-01 CT5103-00_01 From Inlet To Chapman Pond (Just Ds Of Pleasant Valley Road Crossing), Westbrook, Us To Lockwood Lake Outlet Dam On Bushy Pond (Just Us Of Woods Lane Crossing), Clinton. Waterbody Map River 2.0 Miles Good  
Menunketesuck River-02 CT5103-00_02 From Bushy Pond Inlet (Just Ds Of Kelseytown Road Crossing), Clinton, Us To Kelseytown Reservoir Outlet Dam (Just Us Of Kelseytown Brodge Road Crossing), Clinton-Killingworth Border. Waterbody Map River 1.8 Miles Impaired Non-pollutant impairment
Menunketesuck River-03 CT5103-00_03 From Kelseytown Reservoir Inlet (Northeast Corner), Clinton-Killingworth Border, Us To North Roast Meat Hill Road Crossing (Just Us Of Route 148 Crossing), Killingworth. Waterbody Map River 5.2 Miles Good  
Mill River (Cheshire)-03 CT5302-00_03 From Cook Hill Road Crossing, Cheshire, Us To Headwaters (Us Of Williamsburg Drive Crossing). Waterbody Map River 3.1 Miles Impaired TMDL needed
Mill River (Hamden)-01 CT5302-00_01 From Footbridge Off Of Park Road (Us Extent Of Saltwater Influence), Us To Lake Whitney Outlet Dam, Hamden. (Segment Is Tidally Affected, But Not Saltwater). Waterbody Map River .4 Miles Good  
Mill River (Hamden/Cheshire)-02 CT5302-00_02 From Inlet To Lake Whitney (East Side Of Route 15, Just Ds Of Connolly Parkway Crossing), Hamden, Us To Cook Hill Road Crossing, Cheshire. Waterbody Map River 9.1 Miles Impaired TMDL needed
Misery Brook-01 CT5203-00_01 From Mouth At Quinnipiac River (Just Ds Of Meriden Waterbury Turnpike (Route 322) Crossing), Cheshire/Southington Border, Us To Slopers Pond Outlet Dam( Just Us Of East Street Crossing), Southington. Waterbody Map River 4.2 Miles Impaired TMDL needed
Mixville Pond (Cheshire) CT5202-00-1-L3_01 Mixville Road, Cheshire. Impoundment At Head Of Tenmile River Waterbody Map Freshwater Lake 10.7 Acres Impaired TMDL needed
Muddy Brook (Wallingford)-04 CT5208-00_04 From Spring Lake Outlet Dam (Us Of Durham Road Crossing, East Of I91), Us To Church Street (Route 68) Crossing (Just Us Of Killam Pond, And East Of Exit 15, I91), Wallingford. Segment Includes Spring Lake. Waterbody Map River .9 Miles Good  
Muddy River (North Haven)-01 CT5208-00_01 From Mouth At Confluence With Quinnipiac River (Saltwater Limit, Just Ds Of Railroad Crossing On West Side Of I91, South Of Sackett Point Road), Us To Muddy River Pond Outlet Dam, North Haven. Waterbody Map River .7 Miles Good  
Muddy River (North Haven)-02a CT5208-00_02a From Muddy River Pond Inlet (East Side Of I91), North Haven, Us To Confluence With Unnnamed Tributary (Outlet For Tamarac Swamp), Just Ds Of Tyler Mill Road Crossing, Wallingford. Waterbody Map River 8.1 Miles Good  
Muddy River (Wallingford)-02b CT5208-00_02b From Confluence With Unnnamed Tributary (Outlet For Tamarac Swamp), Just Ds Of Tyler Mill Road Crossing, Wallingford, Us To Mackenzie Reservoir Outlet Dam (Us Of Northford Road Crossing), Wallingford. Waterbody Map River 1.8 Miles Impaired Non-pollutant impairment
Muddy River (Wallingford)-03 CT5208-00_03 From Mackenzie Reservoir Inlet (Northeastern Portion, Just Ds Of Scard Road Crossing), Us To Spring Lake Outlet Dam (Us Of Durham Road Crossing, East Of I91), Wallingford. Waterbody Map River 2.0 Miles Good  
Neck River-01 CT5107-00_01 From Head Of Tide (Marsh Exit, Parallel To Neck Road, Ds Of Route 1 Crossing), Us To Headwaters (Just Northeast Of Roure 80 And Route 79 Rotary Intersection, And South Of Aqueduct), Madison. Waterbody Map River 9.5 Miles Impaired TMDL needed
North Farms Reservoir (Wallingford) CT5207-00-1-L1_01 0.5 Miles West Of Rt. 91, North Side Of Rt. 68, Wallingford. Headwaters Of Wharton Brook. Waterbody Map Freshwater Lake 66.1 Acres Good  
Patton Brook-01 CT5200-02_01 From Mouth At Confluence With Quinnipiac River (Just Ds Of River Road Crossing), Us To Headwaters At Unnamed Pond (Us Of Confluence With Mill Pond Tributary, Just Us Of Malcein Drive Crossing), Southington. Waterbody Map River 2.8 Miles Impaired TMDL needed
Pond Meadow Brook-01 CT5105-01_01 From Mouth At Confluence With Chatfield Hollow Brook (Just Ds Of Old Mill Pond Outlet Dam On Chatfield Hollow Brook, In Chatfield Hollow State Park), Us To Kroupa Pond Outlet Dam (Just Us Of Route 148 Crossing), Killingworth. Waterbody Map River .7 Miles Good  
Quinnipiac River-01 CT5200-00_01 From Sackett Point Road Crossing (West Of I91, And East Of Route 15), North Haven, Us To Toelles Road Crossing (Head Of Tide), Wallingford/North Haven Town Border. Waterbody Map River 5.1 Miles Impaired TMDL needed
Quinnipiac River-02 CT5200-00_02 From Toelles Road Crossing (Head Of Tide, Just East Of Route 15), Wallingford/North Haven Town Border, Us To Hanover Pond Outlet Dam, Meriden. (Segment Includes Community Lake Portion) Waterbody Map River 8.5 Miles Impaired TMDL needed
Quinnipiac River-03 CT5200-00_03 From Hanover Pond Inlet (At Oregon Road Crossing, Ds Enr Of Quinnipiac Gorge), Meriden, Us (Through Gorge) To Waterworks (Breached Dam), Just Ds Of Cheshire/Meriden Town Border (Parallel To River Road (Route 70)). Waterbody Map River 1.3 Miles Impaired TMDL needed
Quinnipiac River-04 CT5200-00_04 From Waterworks (Breached Dam), Just Ds Of Cheshire/Meriden Town Border (Parallel To River Road (Route 70)), Us To Confluence With Tenmile River (Us Of Route 322 Crossing, And Us Of Southington Wpcf). Waterbody Map River 4.8 Miles Impaired TMDL needed
Quinnipiac River-05 CT5200-00_05 From Confluence With Tenmile River (Us Of Route 322 Crossing, And Us Of Southington Wpcf), Us To Queen Street (Route 10) Crossing (Us Of Railroad Crossing, North Of I-84 Crossing), Southington. Waterbody Map River 8.3 Miles Impaired TMDL needed
Quinnipiac River-06 CT5200-00_06 From Queen Street (Route 10) Crossing (Us Of Railroad Crossing, North Of I-84 Crossing), Southington, Us To Hamlin Pond Outlet Dam (Us Of Pine Street Crossing), Plainville. Waterbody Map River 3.0 Miles Impaired TMDL needed
Quinnipiac River-07 CT5200-00_07 From Hamlin Pond Inlet (Northeast Corner, Just South Of Route 72 And I84 Connection And Railroad), Plainville, Us To Headwaters At Dead Wood Swamp (West Side Of I84, Near Exit 37, Just South Of Route 6), Farmington. Waterbody Map River 3.5 Miles Impaired TMDL needed
Quonnipaug Lake (Guilford) CT5110-04-1-L1_01 Guilford Just East Of Rt 77, 2 Miles North Of Rt 80. Waterbody Map Freshwater Lake 96.1 Acres Good  
Race Brook-01 CT5307-04_01 From Mouth At Confluence With Wepawaug River Near Mulberry Lane (About .5 Miles Ds Of Route 152 Crossing) Orange, Us To Headwaters, Just Us Of Route 114 Crossing, Woodbridge. Waterbody Map River 5.8 Miles Impaired Non-pollutant impairment
Roaring Brook (Southington)-01 CT5201-08_01 From Mouth At Confluence With Dayton Brook (West Side Of I84), Southington, Us To New Britian Reservoir Outlet Dam At South End Of Wolcott Reservoir, Wolcott. Waterbody Map River 2.3 Miles Good  
Sanford Brook (Cheshire)-01 CT5301-02_01 From Mouth At Confluence With Willow Brook (Ds Of South Brooksvale Road Crossing), Cheshire, Us To Hw (Just Us Of Candee Road Crossing), Prospect. Waterbody Map River 2.7 Miles Good  
Sargent River-01 CT5303-00_01 From Mouth At Confluence With West River (Ds Of Route 69 Crossing) At Inlet To Lake Dawson, Woodbridge, Us To Headwaters At Munson Road Pond Outlet Dam, Bethany (Excluding Lake Glen And Lake Chamberlain). Waterbody Map River 4.0 Miles Good  
Schreeder Pond (Killingworth) CT5105-00-2-L1_01 Chatfield Hollow State Park. Impoundment Of Chatfield Hollow Brook, Us Of Rte 80 Crossing, Killingworth. Waterbody Map Freshwater Lake 3.9 Acres Good  
Silver Brook (Orange)-01 CT5306-01_01 From Mouth At Confluence With Indian River (Just Us Of Indian Lake, Parallel To Indian River Road), Us To Confluence With Trout Brook (Just Us Of Smith Farm Road Crossing), Orange. Waterbody Map River 1.6 Miles Impaired TMDL needed
Silver Brook (Orange)-02 CT5306-01_02 From Confluence With Trout Brook (Just Us Of Smith Farm Road Crossing), Us To Hw (West Side Of Dogburn Road, Near Woodbridge Town Line), Orange. Waterbody Map River 3.1 Miles Good  
Sodom Brook-01 CT5205-00_01 From Mouth At Confluence With Quinnipiac River (Flows Into North Side Of Hanover Pond Portion Of River), Us To Headwaters (Just Us Of Second Hicks Avenue Crossing, Due To River Changing Direction), Meriden. Waterbody Map River 4.2 Miles Impaired TMDL needed
Tenmile River (Cheshire)-02 CT5202-00_02 From Inlet To Moss Farms Pond (On Southwest End), Us To Headwaters At Mixville Pond Outlet Dam (Just Us Of Notch Road Crossing), Cheshire. Waterbody Map River 1.4 Miles Good  
Tenmile River (Southington/Cheshire)-01 CT5202-00_01 From Mouth At Confluence With Quinnipiac River (Ds Of Old Turnpike Road Crossing), Southington, Us To Lake Percivel Outlet Dam On Moss Farms Pond (Just Us Of Jarvis Street Crossing), Cheshire. Waterbody Map River 4.1 Miles Impaired TMDL needed
Unnamed Trib To Oyster River (Milford)-01 CT5000-55_01 From Merwin Avenue Crossing, Us To Railroad (Amtrak) Crossing (Just Us Of Quirkes Pond (Included In Segment)), Milford. Waterbody Map River 1.5 Miles Impaired TMDL needed
Wepawaug River-01 CT5307-00_01 From Wepawaug Pond Outlet Dam (Head Of Tide) At New Haven Avenue (Route 162) Crossing, Us To Route 1 Crossing, Milford. Segment Includes Wepawaug Pond And City Pond Portions On River. Waterbody Map River .8 Miles Impaired TMDL needed
Wepawaug River-02 CT5307-00_02 From Route 1 Crossing, Milford, Us To Lake Wepawaug Inlet, Orange. Segment Includes Lake Wepawaug Portion On River. Waterbody Map River 4.2 Miles Impaired TMDL needed
Wepawaug River-03 CT5307-00_03 From Inlet To Lake Wepawaug, Us To Inlet To Wepawaug Reservoir (Us Of Route 34 Crossing), Orange. Segment Includes Wepawaug Reservoir Portion Of River. Waterbody Map River 2.3 Miles Good  
Wepawaug River-04 CT5307-00_04 From Inlet To Wepawaug Reservoir, Orange, Us To Area East Of Racebrook Road (Route 114), Perpendicular To Milan Road, Woodbridge. Waterbody Map River 3.1 Miles Good  
Wepawaug River-05 CT5307-00_05 From Area East Of Racebrook Road (Route 114), Perpendicular To Milan Road, Us To Headwaters At Center Street Pond Outlet Dam (On Keenes Ice Pond), Just Us Of Center Road (Route 14) Crossing, Woodbridge, Waterbody Map River 1.0 Miles Good  
West River (Guilford)-01 CT5110-00_01 From Route 1 Crossing (Just Ds Of Confluence With Spinning Mill Brook), Us To Confluence With Unnamed Tributary From Thirsty Lake Outlet (Just Ds Of Flat Meadow Road Crossing), Guilford. Waterbody Map River 2.2 Miles Good  
West River (Guilford)-02 CT5110-00_02 From Confluence With Unnamed Tributary From Thirsty Lake Outlet (Just Ds Of Flat Meadow Road Crossing), Us To Confuence With Branch Brook (Just Us Of Race Hill Road Crossing, Parallel With Route 77), Ds Of Lake Quonnipaug Outlet Dam, Guilford. Waterbody Map River 5.4 Miles Good  
West River (New Haven/Woodbridge)-01 CT5305-00_01 From Head Of Tide (Tide Gates) At Chapel Street Crossing (Just Ds Of Edgewood Park Pond), New Haven, Us To Konolds Pond Outlet Dam (Just Us Of Bradley Road Crossing), Woodbridge. Waterbody Map River 3.2 Miles Impaired TMDL needed
West River (Woodbridge/Bethany)-02 CT5305-00_02 From Inlet To Konolds Pond (Northern Portion Of Lake, East Side Of Route 69), Woodbridge, Us To Lake Bethany Outlet Dam, Bethany. Segment Includes Lake Dawson And Lake Watrous. Waterbody Map River 4.9 Miles Good  
Wharton Brook-01 CT5207-00_01 From Mouth At Confluence With Quinnipiac River (Ds Of Route 5 And Railroad Crossing), Wallingford/North Haven Town Borders, Us To Simpson Pond Outlet Dam (Us Of Center Street (Route 150) Crossing), Wallingford. Waterbody Map River 4.0 Miles Impaired TMDL needed
Wharton Brook-02 CT5207-00_02 From Inlet To Simpson Pond, Us To North Farms Reservoir Outlet Dam (Just Us Of Church Street (Route 68) Crossing), Wallingford. Waterbody Map River 2.9 Miles Impaired TMDL needed
Whitney, Lake (Hamden) CT5302-00-4-L3_01 Impoundment Of Mill River, Hamden. Northern Most Portion Near South Side Of Route 15, Exit 60 (Intersection With Route 10). Waterbody Map Freshwater Lake 140.4 Acres Good  
Willow Brook (Cheshire)-02 CT5301-00_02 From Confluence With Brooksvale Stream (Ds Of South Brooksvale Road Crossing), Us To Hw Near Timber Lane, Cheshire. (River Travels Along Rr Track) Waterbody Map River 3.8 Miles Good  
Willow Brook (Hamden)-01 CT5301-00_01 From Mouth At Confluence With Mill River (Ds Of Willow Street Crossing), Hamden, Us To Confluence With Brooksvale Stream (Ds Of South Brooksvale Road Crossing), Cheshire. (River Travels Along Rr Track) Waterbody Map River 1.9 Miles Good  

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Causes of Impairment for Reporting Year 2010

Connecticut, Quinnipiac

Description of this table
NOTE: Click on the underlined "Cause of Impairment" value to see a listing of those waters with that cause of impairment.
Cause of Impairment Size of Assessed Waters with Listed Causes of Impairment
Rivers and
Streams (Miles)		 Lakes, Reservoirs,
and Ponds (Acres)		 Bays and
Estuaries
(Square Miles)
Physical Substrate Habitat Alterations 3.9    
Enterococcus Bacteria   70.5 3.2
Polychlorinated Biphenyls (PCBs) 20.8 70.5 4.5
Chlorophyll-A   44.5  
Dissolved Oxygen Saturation   44.5 4.9
Oil and Grease     4.5
Other Flow Regime Alterations 13.6    
Turbidity 1.4 53.9  
Cause Unknown 77.0    
Excess Algal Growth   44.5  
Fecal Coliform     12.5
Nutrient/Eutrophication Biological Indicators   115.0 4.9
Dissolved Oxygen     4.9
Sodium 1.4    
Temperature, Water 1.8    
Total Suspended Solids (TSS)   9.4  
Escherichia Coli (E. Coli) 74.6 18.2  
Sedimentation/Siltation   79.9  

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Probable Sources Contributing to Impairments for Reporting Year 2010

Connecticut, Quinnipiac Watershed

Description of this table
Probable Source Size of Assessed Waters with Probable Sources of Impairments
Rivers and
Streams (Miles)		 Lakes, Reservoirs,
and Ponds (Acres)		 Bays and
Estuaries
(Square Miles)
Above Ground Storage Tank Leaks (Tank Farms) 20.8 70.5  
Agriculture 3.1    
Animal Feeding Operations (Nps) 1.2    
Atmospheric Deposition - Nitrogen     4.9
Baseflow Depletion From Groundwater Withdrawals 29.3    
Changes In Tidal Circulation/Flushing     .1
Channelization 3.9    
Combined Sewer Overflows 3.2   4.6
Contaminated Sediments 1.5   4.5
Flow Alterations From Water Diversions 13.6   .1
Golf Courses 4.0    
Highway/Road/Bridge Runoff (Non-Construction Related) 1.5 70.5  
Illicit Connections/Hook-Ups To Storm Sewers 2.4    
Impacts From Hydrostructure Flow Regulation/Modification 28.3   .1
Impervious Surface/Parking Lot Runoff     .1
Industrial Point Source Discharge 13.6   4.5
Industrial/Commercial Site Stormwater Discharge (Permitted)     .1
Irrigated Crop Production 4.2    
Landfills 35.0   .0
Managed Pasture Grazing 1.2    
Marina/Boating Sanitary On-Vessel Discharges     13.1
Municipal Point Source Discharges 26.2 70.5 4.6
Natural Sources     .1
Non-Irrigated Crop Production     .3
Non-Point Source   70.5 13.2
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems)     7.2
Post-Development Erosion And Sedimentation 4.0 9.4  
Residential Districts     13.4
Site Clearance (Land Development Or Redevelopment) 34.9    
Source Unknown 99.7 10.7 3.1
Streambank Modifications/Destabilization   9.4  
Surface Mining 4.9 44.5  
Unspecified Urban Stormwater 41.1 122.5 13.5
Upstream Impoundments (E.G., Pl-566 Nrcs Structures) 14.5   .1
Urban Runoff/Storm Sewers     .1
Waterfowl 5.0 2.7 13.1
Wet Weather Discharges (Point Source And Combination Of Stormwater, Sso Or Cso)     3.2

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TMDL Alternatives by Cause of Impairment for Reporting Year 2010


Connecticut, Quinnipiac Watershed


Description of this table
NOTE: Click on the underlined "Number of TMDL Alternatives by Cause of Impairment " value to see a listing of those Causes of Impairment.
Cause of Impairment Number of
TMDL Alternatives		 Rivers and
Streams (Miles)
Polychlorinated Biphenyls (PCBs) color.gif 1 3

Total: 1 TMDL Alternatives

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Cumulative TMDLs by Pollutant

Connecticut, Quinnipiac 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.
Pollutant Number of TMDLs Completed Number of Causes of
Impairment Addressed
Escherichia Coli (E. Coli) color.gif 25 25
Algal Growth color.gif 2 2
Fecal Coliform color.gif 2 2
Nutrients color.gif 2 2
Organic Enrichment/Low Dissolved Oxygen color.gif 2 2
Turbidity color.gif 2 2
Copper color.gif 1 1
Lead color.gif 1 1
Nitrogen, Total color.gif 1 1
Zinc color.gif 1 1

Total: 39 TMDLs; 0 Causes of Impairment



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