Dunn, Eau Claire, Pepin County, Wisconsin
LC24
2119000
4.64 - 9.59
4.95
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This water was assessed during the 2014 listing cycle; biological sample data (i.e. macroinvertebrate or fish Index of Biotic Integrity (fIBI) scores) clearly met 2014 WisCALM listing thresholds for the Fish and Aquatic Life use.
This water was assessed during the 2018 listing cycle; new temperature sample data did not indicate impairment based on 2018 WisCALM listing criteria for the Fish and Aquatic Life use.
Assessments during the 2020 listing cycle showed total phosphorus levels overwhelmingly high for healthy aquatic communities like plants, fish, and bugs. Fish sample data were in good condition. This water was proposed for the impaired waters list in 2020.Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
High Phosphorus Levels
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Coldwater - stocked, reproduction
Priority
Low
Designated Use
Coldwater - stocked, reproduction
303(d) ID
2020-070
Listing Date
4/1/2020
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 fish Index of Biotic Integrity (IBI) scored in the "poor" condition category).
Date
7/29/2019