Impaired Water - Unnamed (Local Water)
Waukesha County, Wisconsin
FX07
771800
0.00 - 4.45
4.45
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This water was assessed during the 2016 listing cycle; chloride sample data clearly met 2016 WisCALM listing thresholds for the Fish and Aquatic Life use.

This water was assessed during the 2018 listing cycle; new total phosphorus sample data may 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).
This water was assessed during the 2020 listing cycle; chloride sample data exceed 2020 WisCALM listing criteria for the Fish and Aquatic Life use.
Listing Details
Pollutant
Chloride
Listed For
Fish and Aquatic Life
Impairments
Chronic Aquatic Toxicity
Current Use
FAL - Fish and Aquatic Life Community
Listing Status
303d Listed
Attainable Use
FAL - Fish and Aquatic Life Community
Priority
Low
Designated Use
FAL - Fish and Aquatic Life Community
303(d) ID
2020-074
Listing Date
4/1/2020
Impaired Water Notes
This water was assessed during the 2020 listing cycle; chloride sample data exceed 2020 WisCALM listing criteria for the Fish and Aquatic Life use.
Date
7/22/2019