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State: Connecticut
Waterbody ID: CT-C1_013-SB
Location: 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.
State Waterbody Type: Estuary
EPA Waterbody Type: Bays and Estuaries
Water Size: 2.343
Units: square miles
Watershed Name: Quinnipiac
On This Page
- Water Quality Assessment Status
- Causes of Impairment
- Probable Sources Contributing to Impairments
- TMDLs That Apply to This Waterbody
- Previous Causes of Impairment Now Attaining All Uses
State: Connecticut
Waterbody ID: CT-C1_013-SB
Location: 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.
State Waterbody Type: Estuary
EPA Waterbody Type: Bays and Estuaries
Water Size: 2.343
Units: square miles
Watershed Name: Quinnipiac
Data are also available for these years: 2008
2010 Waterbody Report for LIS CB Inner - New Haven Harbor, New Haven
Click on the waterbody for an interactive map
Features
- About This Database (Integrated Report)
- Assessing Water Quality (Questions and Answers)
- Integrated Reporting Guidance
- Previous National Water Quality Reports
- EnviroMapper for Water
- AskWATERS
- EPA WATERS Homepage
- Exchange Network
- Assessment Database
- Statewide Statistical Surveys
- How's My Waterway Local Search tool
- Pollution Categories Summary Document
Water Quality Assessment Status for Reporting Year 2010
The overall status of this waterbody is Impaired.
Description of this table
| Designated Use | Designated Use Group | Status |
|---|---|---|
| Commercial Shellfish Harvesting Where Authorized | Aquatic Life Harvesting | Impaired |
| Fish Consumption | Aquatic Life Harvesting | Good |
| Habitat For Marine Fish, Other Aquatic Life And Wildlife | Fish, Shellfish, And Wildlife Protection And Propagation | Impaired |
| Recreation | Recreation | Impaired |
Causes of Impairment for Reporting Year 2010
Description of this table
| Cause of Impairment | Cause of Impairment Group | Designated Use(s) | State TMDL Development Status |
|---|---|---|---|
| Dissolved Oxygen | Organic Enrichment/Oxygen Depletion | Habitat For Marine Fish, Other Aquatic Life And Wildlife | TMDL needed |
| Dissolved Oxygen Saturation | Organic Enrichment/Oxygen Depletion | Habitat For Marine Fish, Other Aquatic Life And Wildlife | TMDL needed |
| Enterococcus Bacteria | Pathogens | Recreation | TMDL needed |
| Fecal Coliform | Pathogens | Commercial Shellfish Harvesting Where Authorized | TMDL needed |
| Nutrient/Eutrophication Biological Indicators | Nutrients | Habitat For Marine Fish, Other Aquatic Life And Wildlife | TMDL needed |
| Oil and Grease | Oil and Grease | Habitat For Marine Fish, Other Aquatic Life And Wildlife | TMDL needed |
| Polychlorinated Biphenyls (PCBs) | Polychlorinated Biphenyls (PCBs) | Habitat For Marine Fish, Other Aquatic Life And Wildlife | TMDL needed |
Probable Sources Contributing to Impairment for Reporting Year 2010
Description of this table
| Probable Source | Probable Source Group | Cause(s) of Impairment |
|---|---|---|
| Atmospheric Deposition - Nitrogen | Atmospheric Deposition | Dissolved Oxygen; Dissolved Oxygen Saturation; Nutrient/Eutrophication Biological Indicators |
| Combined Sewer Overflows | Municipal Discharges/Sewage | Dissolved Oxygen; Dissolved Oxygen Saturation; Enterococcus Bacteria; Fecal Coliform; Nutrient/Eutrophication Biological Indicators |
| Contaminated Sediments | Legacy/Historical Pollutants | Polychlorinated Biphenyls (PCBs) |
| Industrial Point Source Discharge | Industrial | Dissolved Oxygen; Dissolved Oxygen Saturation; Nutrient/Eutrophication Biological Indicators |
| Marina/Boating Sanitary On-Vessel Discharges | Recreational Boating And Marinas | Fecal Coliform |
| Municipal Point Source Discharges | Municipal Discharges/Sewage | Dissolved Oxygen; Dissolved Oxygen Saturation; Fecal Coliform; Nutrient/Eutrophication Biological Indicators |
| Non-Point Source | Unspecified Nonpoint Source | Dissolved Oxygen; Dissolved Oxygen Saturation; Nutrient/Eutrophication Biological Indicators |
| Residential Districts | Urban-Related Runoff/Stormwater | Dissolved Oxygen; Dissolved Oxygen Saturation; Enterococcus Bacteria; Fecal Coliform; Nutrient/Eutrophication Biological Indicators |
| Source Unknown | Unknown | Oil and Grease |
| Unspecified Urban Stormwater | Urban-Related Runoff/Stormwater | Dissolved Oxygen; Dissolved Oxygen Saturation; Enterococcus Bacteria; Fecal Coliform; Nutrient/Eutrophication Biological Indicators |
| Waterfowl | Natural/Wildlife | Enterococcus Bacteria; Fecal Coliform |
| Wet Weather Discharges (Point Source And Combination Of Stormwater, Sso Or Cso) | Municipal Discharges/Sewage | Dissolved Oxygen; Dissolved Oxygen Saturation; Enterococcus Bacteria; Fecal Coliform; Nutrient/Eutrophication Biological Indicators |
TMDLs That Apply to this waterbody
Description of this table
| TMDL Document Name | TMDL Date | TMDL Pollutant Description | TMDL Pollutant Source Type | Cause(s) of Impairment Addressed |
|---|---|---|---|---|
| Connecticut Statewide Bacteria | Sep-20-2012 | Fecal Coliform | Point/Nonpoint Source | Fecal Coliform |
Previous Causes of Impairments Now Attaining All Uses
No causes of impairment are recorded as attaining all uses for this waterbody.