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State: Virginia
Waterbody ID: VAS-O13R_NFH01A94
Location: Mainstem from confluence of Big Moccasin Ck downstream to TN line. Section 1a, Class IV.
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size: 5.3
Units: miles
Watershed Name: North Fork Holston
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: Virginia
Waterbody ID: VAS-O13R_NFH01A94
Location: Mainstem from confluence of Big Moccasin Ck downstream to TN line. Section 1a, Class IV.
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size: 5.3
Units: miles
Watershed Name: North Fork Holston
Data are also available for these years: 2006
2008 Waterbody Report for North Fork Holston 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 |
|---|---|---|
| Aquatic Life | Fish, Shellfish, And Wildlife Protection And Propagation | Impaired |
| Fish Consumption | Aquatic Life Harvesting | Impaired |
| Recreation | Recreation | Impaired |
| Wildlife | Fish, Shellfish, And Wildlife Protection And Propagation | Good |
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 |
|---|---|---|---|
| Benthic Macroinvertebrates Bioassessments | Cause Unknown - Impaired Biota | Aquatic Life | TMDL needed |
| Escherichia Coli (E. Coli) | Pathogens | Recreation | TMDL needed |
| Mercury in Fish Tissue | Mercury | Fish Consumption | TMDL needed |
| PCB(s) in Fish Tissue | Polychlorinated Biphenyls (PCBs) | Fish Consumption | TMDL needed |
| Unlisted but Impaired | Other Cause | TMDL needed |
Probable Sources Contributing to Impairment for Reporting Year 2008
Description of this table
| Probable Source | Probable Source Group | Cause(s) of Impairment |
|---|---|---|
| Animal Feeding Operations (Nps) | Agriculture | Benthic Macroinvertebrates Bioassessments |
| Industrial Point Source Discharge | Industrial | Mercury in Fish Tissue |
| Rural (Residential Areas) | Other | Benthic Macroinvertebrates Bioassessments |
| Source Unknown | Unknown | Escherichia Coli (E. Coli); PCB(s) in Fish Tissue |
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 |
|---|---|---|---|---|
| North Fork Holston River | Apr-26-2011 | Mercury | Nonpoint Source | Mercury in Fish Tissue; Mercury |
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 |
|---|---|---|---|---|
| PCB(s) in Fish Tissue | 2006, 2008 | Feb-09-2011 | Applicable WQS attained; original basis for listing was incorrect. | |
| Unlisted but Impaired | 2008 | Feb-09-2011 | Applicable WQS attained; reason for recovery unspecified. | Benthics delisted 2010 as fully supporting the WQS criteria; Cycle First Listed 2002 |