Impaired Water - Clack Creek (Clack Creek)
Dunn County, Wisconsin
LC04
2066300
0.00 - 3.34
3.34
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Clack Creek had degraded habitat, high suspended sediment levels, and elevated temperature, listing in 1998 and delisted in 2002.

Clack Creek was evaluated for phosphorus and biology in 2018 and 2020. Phosphorus levels were too high.
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Impairment Unknown
Current Use
Coldwater - stocked, reproduction
Listing Status
303d Listed
Attainable Use
Coldwater - stocked, reproduction
Priority
Low
Designated Use
Coldwater - stocked, reproduction
303(d) ID
2018-134
Listing Date
4/1/2018
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new total phosphorus sample data exceed 2018 WisCALM listing criteria for the Fish and Aquatic Life use, however, no biological data (i.e. no macroinvertebrate or fish Index of Biotic Integrity (IBI) scores) were available to assess biological impairment.
Date
7/26/2017

Impaired Water Notes
This water was assessed during the 2020 listing cycle; new total phosphorus sample data exceed 2020 WisCALM listing criteria for the Aquatic Life use, however, available biological data do not indicate impairment (i.e. no macroinvertebrate or fish Index of Biotic Integrity (IBI) scored in the "poor" condition category).
Date
7/24/2019

 
Pollutant
Elevated Water Temperature
Listed For
Fish and Aquatic Life
Impairments
NA
Current Use
Coldwater - stocked, reproduction
Listing Status
Water Delisted
Attainable Use
Coldwater - stocked, reproduction
Priority
Delisted 2002
Designated Use
Coldwater - stocked, reproduction
303(d) ID
82
Listing Date
4/1/2002
Impaired Water Notes
Prior to 12/21/2017 the listing was 'Elevated Water Temperature' for both pollutant and impairment. Impairment was changed to 'Degraded Habitat' because the pollutant and impairment cannot be the same.
Date
12/21/2017

 
Pollutant
Sediment/Total Suspended Solids
Listed For
Fish and Aquatic Life
Impairments
NA
Current Use
Coldwater - stocked, reproduction
Listing Status
Water Delisted
Attainable Use
Coldwater - stocked, reproduction
Priority
Delisted 2002
Designated Use
Coldwater - stocked, reproduction
303(d) ID
82
Listing Date
4/1/2002
Impaired Water Notes
New analysis of total suspended solids showed the waterbody did not exceed the threshold for impairment. This total suspended solids listing was proposed for removal from the impaired waters list in 2002.
Date
4/1/2002