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State: Minnesota
Waterbody ID: MN10170204-509
Location: Champepadan Cr to Elk Cr
State Waterbody Type: Stream
EPA Waterbody Type: Rivers and Streams
Water Size: 12.64
Units: miles
Watershed Name: Rock
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: Minnesota
Waterbody ID: MN10170204-509
Location: Champepadan Cr to Elk Cr
State Waterbody Type: Stream
EPA Waterbody Type: Rivers and Streams
Water Size: 12.64
Units: miles
Watershed Name: Rock
2008 Waterbody Report for Rock 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 |
|---|---|---|
| Class 2c Aquatic Recreation | Fish, Shellfish, And Wildlife Protection And Propagation | Not Assessed |
| Class 2c Warm Water Aquatic Consumption | Aquatic Life Harvesting | Not Assessed |
| Class 2c Warm Water Aquatic Life | Fish, Shellfish, And Wildlife Protection And Propagation | Impaired |
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 |
|---|---|---|---|
| Turbidity | Turbidity | Class 2c Warm Water Aquatic Life | TMDL needed |
Probable Sources Contributing to Impairment for Reporting Year 2008
No probable source data have been reported to EPA for this waterbody.
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 |
|---|---|---|---|---|
| Rock River Watershed (10170204-509) | Apr-23-2008 | Total Suspended Solids (TSS) | Point/Nonpoint Source | Turbidity |
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 |
|---|---|---|---|---|
| Fish Consumption Advisory - Mercury | 2002, 2004, 2006 | Jun-10-2008 | Applicable WQS attained, according to new assessment method. | change in assessment criteria; need more data to assess |
| Fish Consumption Advisory - Mercury | 2002, 2004, 2006 | Jun-10-2008 | Applicable WQS attained, according to new assessment method. | change in assessment criteria; need more data to assess |
| Fish Consumption Advisory - Mercury | 2002, 2004, 2006 | Jun-10-2008 | Applicable WQS attained, according to new assessment method. | change in assessment criteria; need more data to assess |