Impaired Water - Unnamed (Ludowissi L Br To Sauk Creek)
Ozaukee County, Wisconsin
SH01
49700
0.00 - 4.81
4.81
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This water was assessed during the 2016 listing cycle; biological sample data (i.e. macroinvertebrate or fish Index of Biotic Integrity (IBI) scores) clearly met 2016 WisCALM listing thresholds for the Fish and Aquatic Life use.

This water was assessed during the 2018 listing cycle; new macroinvertebrate and fish sample data exceeded 2018 WisCALM listing criteria for the Fish and Aquatic Life use (i.e. at least one macroinvertebrate Index of Biotic Integrity (IBI) average scored in the poor condition category), however available fish sample data were assessed, but no fIBI scored in the poor condition category.
Listing Details
Pollutant
Unknown Pollutant
Listed For
Fish and Aquatic Life
Impairments
Degraded Biological Community
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
2018-221
Listing Date
4/1/2018
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new macroinvertebrate and fish sample data exceeded 2018 WisCALM listing criteria for the Fish and Aquatic Life use (i.e. at least one macroinvertebrate Index of Biotic Integrity (IBI) average scored in the poor condition category), however available fish sample data were assessed, but no fIBI scored in the poor condition category.
Date
7/31/2017