Impaired Water - Otter Creek (Otter Creek)
Eau Claire County, Wisconsin
LC25
2125700
0.00 - 26.53
26.53
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This segment of Otter Creek was evaluated for phosphorus, chloride, and biology every two years between 2012 and 2022. Phosphorus levels were found to be too high. This water is covered by a restoration plan: Healthy Soils and Healthy Waters: A Community Strategy for the Eau Claire River Watershed (expires 2027).
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
High Phosphorus Levels
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
2012-969
Listing Date
4/1/2012
Impaired Water Notes
This water was assessed during the 2012 listing cycle, and total phosphorus sample data overwhelmingly exceed listing criteria (i.e. two times the applicable criterion) for the fish and aquatic life use.
Date
2/28/2013

Impaired Water Notes
This water was assessed during the 2014 listing cycle; total phosphorus sample data overwhelmingly exceed 2014 WisCALM listing thresholds 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
2/26/2014

Impaired Water Notes
This water was assessed during the 2016 listing cycle; total phosphorus sample data overwhelmingly exceeded 2016 WisCALM listing thresholds 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
9/23/2015

Impaired Water Notes
This stream is covered by the following restoration plan and was classified as Category 5W as a result: Healthy Soils and Healthy Waters: A Community Strategy for the Eau Claire River Watershed (expires 2027).
Date
7/26/2019