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State: Virginia
Waterbody ID: VAP-A34E_COA02A02
Location: From Sfc 008-214d, 2/7/2008 To Its Mouth At The Potomac, Excluding Otherwise Segmented Waterbodies. Segment Reduced In The 2010 Cycle. Potmh
State Waterbody Type: Estuary
EPA Waterbody Type: Bays and Estuaries
Water Size: 2.65
Units: square miles
Watershed Name: Lower Potomac
On This Page
- Causes of Impairment
- TMDLs That Apply to This Waterbody
- Previous Causes of Impairment Now Attaining All Uses
State: Virginia
Waterbody ID: VAP-A34E_COA02A02
Location: From Sfc 008-214d, 2/7/2008 To Its Mouth At The Potomac, Excluding Otherwise Segmented Waterbodies. Segment Reduced In The 2010 Cycle. Potmh
State Waterbody Type: Estuary
EPA Waterbody Type: Bays and Estuaries
Water Size: 2.65
Units: square miles
Watershed Name: Lower Potomac
Data are also available for these years: 2006
2008 Waterbody Report for Coan 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
Causes of Impairment for Reporting Year 2008
Description of this table
| Cause of Impairment | Cause of Impairment Group | State TMDL Development Status |
|---|---|---|
| Aquatic Plants (Macrophytes) | Noxious Aquatic Plants | TMDL needed |
| Dissolved Oxygen | Organic Enrichment/Oxygen Depletion | TMDL needed |
| Macrophytes | Noxious Aquatic Plants | TMDL needed |
| PCB(s) in Fish Tissue | Polychlorinated Biphenyls (PCBs) | TMDL needed |
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 |
|---|---|---|---|---|
| Coan River | Oct-31-2007 | Polychlorinated Biphenyls (PCBs) | Nonpoint Source | PCB(s) in Fish Tissue |
Previous Causes of Impairments Now Attaining All Uses
Description of this table
| Cause of Impairment | Cycles Listed | WQS Attainment Date | WQS Attainment Reason | WQS Attainment Comments |
|---|---|---|---|---|
| Dissolved Oxygen | 2006, 2008 | Feb-09-2011 | Applicable WQS attained; reason for recovery unspecified. |