Impaired Water - Jackson Creek (Jackson Creek)
Walworth County, Wisconsin
LR01
793800
0.00 - 2.89
2.89
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This segment of Jackson Creek was evaluated for phosphorus and biology every two years between 2014 and 2024. Phosphorus levels were too high. Chloride was evaluated in the 2024 cycle and in good condition. This water is covered by a restoration plan: Jackson Creek Watershed Restoration Plan (expires 2026).
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Degraded Biological Community
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
WWSF - Warmwater Sport Fishery
Priority
Low
Designated Use
WWSF - Warmwater Sport Fishery
303(d) ID
2016-079
Listing Date
4/1/2016
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
7/19/2017

Impaired Water Notes
This water was assessed during the 2016 listing cycle; total phosphorus sample data exceed 2016 WisCALM listing criteria for the Fish and Aquatic Life use and biological impairment was observed (i.e. at least one macroinvertebrate or fish Index of Biotic Integrity (IBI) scored in the poor condition category).
Date
8/29/2015

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). This stream is covered by the following restoration plan and was classified as Category 5W as a result: Jackson Creek Watershed Restoration Plan (2026).
Date
7/25/2019

Impaired Water Notes
This water was assessed during the 2022 listing cycle; new total phosphorus sample data exceed 2022 WisCALM listing criteria for the Aquatic Life use
Date
5/21/2021