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State: Alaska
Waterbody ID: AK-10203-001_00
Location: HUC: 19010203
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size: 8
Units: miles
Watershed Name: Baranof-Chichagof Islands
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: Alaska
Waterbody ID: AK-10203-001_00
Location: HUC: 19010203
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size: 8
Units: miles
Watershed Name: Baranof-Chichagof Islands
Data are also available for these years: 2006 2004 2002 1998
2008 Waterbody Report for Nakwasina 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 2008
The overall status of this waterbody is Impaired.
Description of this table
| Designated Use | Designated Use Group | Status |
|---|---|---|
| Fresh Water / Growth And Propagation Of Fish, Shellfish, Other Aquatic Life And Wildlife | Aquatic Life Harvesting | Impaired |
| Fresh Water / Water Recreation / Contact Recreation | Recreation | Not Assessed |
| Fresh Water / Water Recreation / Secondary Recreation | Recreation | Not Assessed |
| Fresh Water / Water Supply / Agriculture, Including Irrigation And Stock Watering | Agricultural | Not Assessed |
| Fresh Water / Water Supply / Aquaculture | Aquatic Life Harvesting | Not Assessed |
| Fresh Water / Water Supply / Drinking, Culinary, And Food Processing | Public Water Supply | Not Assessed |
| Fresh Water / Water Supply / Industrial | Industrial | 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 |
|---|---|---|---|
| Sedimentation/Siltation | Sediment | Fresh Water / Growth And Propagation Of Fish, Shellfish, Other Aquatic Life And Wildlife | TMDL needed |
| Turbidity | Turbidity | Fresh Water / Growth And Propagation Of Fish, Shellfish, Other Aquatic Life And Wildlife | TMDL needed |
Probable Sources Contributing to Impairment for Reporting Year 2008
Description of this table
| Probable Source | Probable Source Group | Cause(s) of Impairment |
|---|---|---|
| Silviculture Harvesting | Silviculture (Forestry) | Sedimentation/Siltation; Turbidity |
TMDLs That Apply to this waterbody
No TMDL data have been recorded by EPA for this waterbody.
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 |
|---|---|---|---|---|
| Sedimentation/Siltation | 1998, 2002, 2004, 2006, 2008 | Sep-30-2010 | Applicable WQS attained; original basis for listing was incorrect. | |
| Sedimentation/Siltation | 1998, 2002, 2004, 2006, 2008 | Sep-30-2010 | Applicable WQS attained; original basis for listing was incorrect. | |
| Sedimentation/Siltation | 1998, 2002, 2004, 2006, 2008 | Sep-30-2010 | Applicable WQS attained; original basis for listing was incorrect. | |
| Sedimentation/Siltation | 1998, 2002, 2004, 2006, 2008 | Sep-30-2010 | Applicable WQS attained; original basis for listing was incorrect. | |
| Turbidity | 1998, 2002, 2004, 2006, 2008 | Sep-30-2010 | Applicable WQS attained; original basis for listing was incorrect. | |
| Turbidity | 1998, 2002, 2004, 2006, 2008 | Sep-30-2010 | Applicable WQS attained; original basis for listing was incorrect. | |
| Turbidity | 1998, 2002, 2004, 2006, 2008 | Sep-30-2010 | Applicable WQS attained; original basis for listing was incorrect. | |
| Turbidity | 1998, 2002, 2004, 2006, 2008 | Sep-30-2010 | Applicable WQS attained; original basis for listing was incorrect. |