Ozaukee County, Wisconsin
MI02
5032520
0.00 - 0.99
0.99
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Kaul Creek was assessed for chloride in 2018 and 2020 and levels were good. This stream was also assessed for phosphorus and the levels were too high, resulting in placement on the Impaired Waters List in the 2020 cycle. High phosphorus levels were confirmed in the 2022 and 2024 cycles.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
2020-107
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 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
7/2/2019
Impaired Water Notes
This water was assessed during the 2022 cycle; new phosphorus sample data overwhelmingly exceeded 2022 WisCALM listing criteria for Aquatic Life use.
Date
6/10/2021