Dunn, Pepin County, Wisconsin
LC24
2117100
0.00 - 8.00
8.00
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Assessments during the 2020 listing cycle showed total phosphorus levels too high for healthy aquatic communities like plants, fish, bugs. This water was put on the impaired waters list in 2020 and the elevated phosphorus was confirmed in the 2024 cycle.Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Impairment Unknown
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Default - Fish and Aquatic Life
Priority
Low
Designated Use
Default - Fish and Aquatic Life
303(d) ID
2020-118
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 macroinvertebrate or fish Index of Biotic Integrity (IBI) scored in the "poor" condition category).
Date
7/31/2019