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State: New Hampshire
Waterbody ID: NHRIV700060803-14-01
Location: Merrimack River, Public Water Supply, WARM/COLD Water Fishery, Amoskeg Dam Bypass
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size: .8
Units: miles
Watershed Name: Merrimack. Massachusetts, New Hampshire.
On This Page
- Water Quality Assessment Status
- Causes of Impairment
- Probable Sources Contributing to Impairments
- TMDLs That Apply to This Waterbody
State: New Hampshire
Waterbody ID: NHRIV700060803-14-01
Location: Merrimack River, Public Water Supply, WARM/COLD Water Fishery, Amoskeg Dam Bypass
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size: .8
Units: miles
Watershed Name: Merrimack. Massachusetts, New Hampshire.
2010 Waterbody Report for Merrimack River, PWS, W/CWF, Amoskeg Dam Bypass
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 |
|---|---|---|
| Aquatic Life | Fish, Shellfish, And Wildlife Protection And Propagation | Impaired |
| Drinking Water Supply | Public Water Supply | Good |
| Fish Consumption | Aquatic Life Harvesting | Impaired |
| Primary Contact Recreation | Recreation | Not Assessed |
| Secondary Contact Recreation | Recreation | Not Assessed |
| Wildlife | Fish, Shellfish, And Wildlife Protection And Propagation | Not Assessed |
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 |
|---|---|---|---|
| Mercury | Mercury | Fish Consumption | TMDL completed |
| Other Flow Regime Alterations | Flow Alteration(s) | Aquatic Life | Non-pollutant impairment |
Probable Sources Contributing to Impairment for Reporting Year 2010
Description of this table
| Probable Source | Probable Source Group | Cause(s) of Impairment |
|---|---|---|
| Atmospheric Deposition - Toxics | Atmospheric Deposition | Mercury |
| Impacts From Hydrostructure Flow Regulation/Modification | Hydromodification | Other Flow Regime Alterations |
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 |
|---|---|---|---|---|
| Ne Regional Mercury Tmdl | Dec-20-2007 | Mercury | Nonpoint Source | Mercury |