Dunn County, Wisconsin
LC04
2067000
0.00 - 4.20
4.20
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This segment of Hay Creek was evaluated every two-year cycle from 2018 to 2024; phosphorus levels were found to be too high, though bug and fish communities were in good condition.Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Impairment Unknown
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Coldwater - aquatic life, spawning
Priority
Low
Designated Use
Coldwater - aquatic life, spawning
303(d) ID
2018-137
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, 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
7/26/2017
Impaired Water Notes
This water was assessed during the 2022 cycle; new phosphorus sample data nearly exceeded 2022 WisCALM listing criteria for Aquatic Life use.
Date
6/25/2021