Impaired Water - Unnamed (Unnamed Stream)
Dane County, Wisconsin
LR06
801500
0.00 - 3.71
3.71
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This unnamed stream was evaluated every two-year cycle from 2018 to 2024; phosphorus levels were found to be too high but temperature was good. This stream was added to the Impaired Waters List for phosphorus in the 2018 cycle.
Listing Details
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
2018-069
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
7/18/2017

Impaired Water Notes
This water was assessed during the 2022 listing cycle; new total phosphorus sample data exceeded 2022 WisCALM listing thresholds for the Fish and Aquatic Life use. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
5/21/2021