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State: Massachusetts
Waterbody ID: MA82B-06
Location: From the USGS gage at Routes 27/62, Maynard to the Powdermill Dam, Acton.
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size: 1.22
Units: miles
Watershed Name: Concord
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: Massachusetts
Waterbody ID: MA82B-06
Location: From the USGS gage at Routes 27/62, Maynard to the Powdermill Dam, Acton.
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size: 1.22
Units: miles
Watershed Name: Concord
Data are also available for these years: 2006 2004 2002 1998
2010 Waterbody Report for Assabet River
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 |
|---|---|---|
| Aesthetic | Aesthetic Value | Impaired |
| Fish Consumption | Aquatic Life Harvesting | Not Assessed |
| Fish, Other Aquatic Life And Wildlife | Fish, Shellfish, And Wildlife Protection And Propagation | Impaired |
| Primary Contact Recreation | Recreation | Impaired |
| Secondary Contact 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 |
|---|---|---|---|
| Aquatic Plants (Macrophytes) | Noxious Aquatic Plants | Aesthetic, Fish, Other Aquatic Life And Wildlife, Secondary Contact Recreation, Primary Contact Recreation | TMDL completed |
| Debris/Floatables/Trash | Trash | Secondary Contact Recreation, Aesthetic, Primary Contact Recreation | Non-pollutant impairment |
| Dissolved Oxygen | Organic Enrichment/Oxygen Depletion | Fish, Other Aquatic Life And Wildlife | TMDL completed |
| Excess Algal Growth | Algal Growth | Aesthetic, Fish, Other Aquatic Life And Wildlife, Secondary Contact Recreation, Primary Contact Recreation | TMDL completed |
| Non-Native Aquatic Plants | Nuisance Exotic Species | Fish, Other Aquatic Life And Wildlife | Non-pollutant impairment |
| Other Cause | Other Cause | Fish, Other Aquatic Life And Wildlife | TMDL needed |
| Phosphorus, Total | Nutrients | Fish, Other Aquatic Life And Wildlife | TMDL completed |
| Taste and Odor | Taste, Color and Odor | Aesthetic, Secondary Contact Recreation, Primary Contact Recreation | TMDL needed |
| Temperature | Temperature | TMDL needed | |
| Temperature, Water | Temperature | 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 |
|---|---|---|
| Introduction Of Non-Native Organisms (Accidental Or Intentional) | Other | Non-Native Aquatic Plants |
| Municipal Point Source Discharges | Municipal Discharges/Sewage | Aquatic Plants (Macrophytes); Debris/Floatables/Trash; Dissolved Oxygen; Excess Algal Growth; Other Cause; Phosphorus, Total; Taste and Odor; Temperature, Water |
| Sanitary Sewer Overflows (Collection System Failures) | Municipal Discharges/Sewage | Aquatic Plants (Macrophytes); Debris/Floatables/Trash; Dissolved Oxygen; Excess Algal Growth; Other Cause; Phosphorus, Total; Taste and Odor; Temperature, Water |
| Source Unknown | Unknown | Aquatic Plants (Macrophytes); Dissolved Oxygen; Excess Algal Growth; Phosphorus, Total |
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 |
|---|---|---|---|---|
| Assabet River | Sep-23-2004 | Phosphorus, Total | Point/Nonpoint Source | Nutrients; Excess Algal Growth; Aquatic Plants (Macrophytes); Non-Native Aquatic Plants; Phosphorus, Total |
Previous Causes of Impairments Now Attaining All Uses
No causes of impairment are recorded as attaining all uses for this waterbody.