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State: New Hampshire
Waterbody ID: NHEST600030608-01
Location: 010600030608, Cocheco River, Prohibited/Unclassified, CLOSED, 158.24, Acres
State Waterbody Type: Estuary
EPA Waterbody Type: Bays and Estuaries
Water Size: .24
Units: square miles
Watershed Name: Piscataqua-Salmon Falls
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: New Hampshire
Waterbody ID: NHEST600030608-01
Location: 010600030608, Cocheco River, Prohibited/Unclassified, CLOSED, 158.24, Acres
State Waterbody Type: Estuary
EPA Waterbody Type: Bays and Estuaries
Water Size: .24
Units: square miles
Watershed Name: Piscataqua-Salmon Falls
Data are also available for these years: 2010 2006 2004 2002
2008 Waterbody Report for Cocheco River, P/Uc, 158.24, Ac
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
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- AskWATERS
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- Assessment Database
- Statewide Statistical Surveys
- How's My Waterway Local Search tool
- Pollution Categories Summary Document
Water Quality Assessment Status for Reporting Year 2008
The overall status of this waterbody is Impaired.
Description of this table
| Designated Use | Designated Use Group | Status |
|---|---|---|
| Aquatic Life | Fish, Shellfish, And Wildlife Protection And Propagation | Impaired |
| Drinking Water After Adequate Treatment | Public Water Supply | Good |
| Fish Consumption | Aquatic Life Harvesting | Impaired |
| Primary Contact Recreation | Recreation | Impaired |
| Secondary Contact Recreation | Recreation | Impaired |
| Shellfishing | Aquatic Life Harvesting | Impaired |
| Wildlife | Fish, Shellfish, And Wildlife Protection And Propagation | Not Assessed |
Causes of Impairment for Reporting Year 2008
Description of this table
| Cause of Impairment | Cause of Impairment Group | Designated Use(s) | State TMDL Development Status |
|---|---|---|---|
| 2-Methylnaphthalene | Pesticides | Aquatic Life | TMDL needed |
| Acenaphthene | Toxic Organics | Aquatic Life | TMDL needed |
| Acenaphthylene | Toxic Organics | Aquatic Life | TMDL needed |
| Anthracene | Toxic Organics | Aquatic Life | TMDL needed |
| Benz[a]anthracene | Toxic Organics | TMDL needed | |
| Benzo[a]anthracene | Toxic Organics | Aquatic Life | TMDL needed |
| Benzo[a]pyrene | Toxic Organics | TMDL needed | |
| Benzo[a]pyrene (PAHs) | Toxic Organics | Aquatic Life | TMDL needed |
| Benzo[g,h,i]perylene | Toxic Organics | Aquatic Life | TMDL needed |
| Biphenyl | Toxic Organics | Aquatic Life | TMDL needed |
| Chlorophyll-A | Algal Growth | Aquatic Life | TMDL needed |
| Chrysene | Toxic Organics | Aquatic Life | TMDL needed |
| DDD | Pesticides | Aquatic Life | TMDL needed |
| DDE | Pesticides | Aquatic Life | TMDL needed |
| DDT | Pesticides | Aquatic Life | TMDL needed |
| Dibenz[a,h]anthracene | Toxic Organics | Aquatic Life | TMDL needed |
| Dieldrin | Pesticides | Aquatic Life | TMDL needed |
| Dioxin (Including 2,3,7,8-TCDD) | Dioxins | Shellfishing | TMDL needed |
| Dioxins | Dioxins | TMDL needed | |
| Enterococcus Bacteria | Pathogens | Primary Contact Recreation, Secondary Contact Recreation | TMDL needed |
| Fluoranthene | Toxic Organics | Aquatic Life | TMDL needed |
| Fluorene | Toxic Organics | Aquatic Life | TMDL needed |
| Indeno[1,2,3-Cd]Pyrene | Pesticides | Aquatic Life | TMDL needed |
| Mercury | Mercury | Shellfishing, Fish Consumption | TMDL needed |
| Naphthalene | Pesticides | Aquatic Life | TMDL needed |
| Nitrogen, Total | Nutrients | Aquatic Life | TMDL needed |
| Phenanthrene | Toxic Organics | Aquatic Life | TMDL needed |
| Polychlorinated Biphenyls (PCBs) | Polychlorinated Biphenyls (PCBs) | Shellfishing, Fish Consumption | TMDL needed |
| Pyrene | Toxic Organics | Aquatic Life | TMDL needed |
Probable Sources Contributing to Impairment for Reporting Year 2008
Description of this table
| Probable Source | Probable Source Group | Cause(s) of Impairment |
|---|---|---|
| Atmospheric Deposition - Toxics | Atmospheric Deposition | Mercury |
| Illicit Connections/Hook-Ups To Storm Sewers | Municipal Discharges/Sewage | Enterococcus Bacteria |
| Sanitary Sewer Overflows (Collection System Failures) | Municipal Discharges/Sewage | Enterococcus Bacteria |
| Source Unknown | Unknown | 2-Methylnaphthalene; Acenaphthene; Acenaphthylene; Anthracene; Benzo[a]anthracene; Benzo[a]pyrene (PAHs); Benzo[g,h,i]perylene; Biphenyl; Chlorophyll-A; Chrysene; DDD; DDE; DDT; Dibenz[a,h]anthracene; Dieldrin; Dioxin (Including 2,3,7,8-TCDD); Enterococcus Bacteria; Fluoranthene; Fluorene; Indeno[1,2,3-Cd]Pyrene; Mercury; Naphthalene; Nitrogen, Total; Phenanthrene; Polychlorinated Biphenyls (PCBs); Pyrene |
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 |
|---|---|---|---|---|
| 58 Nh Bacteria Impaired Waters | Aug-29-2011 | Fecal Coliform | Point/Nonpoint Source | Fecal Coliform |
| New Hampshire Statewide Bacteria | Sep-21-2010 | Enterococcus Bacteria | Point/Nonpoint Source | Enterococcus Bacteria |
Previous Causes of Impairments Now Attaining All Uses
No causes of impairment are recorded as attaining all uses for this waterbody.