Impaired Water - Unnamed (Coco Creek)
Waukesha County, Wisconsin
FX07
772100
0.51 - 2.36
1.85
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This water was listed for elevated temperature and degraded biological community in the 2018 cycle. New water quality data reviewed in the 2024 cycle indicated no additional impairments.
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
Coldwater - stocked, reproduction
Priority
Low
Designated Use
Coldwater - stocked, reproduction
303(d) ID
2018-227
Listing Date
4/1/2018
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new fish and new temperature sample data exceeded 2018 WisCALM listing criteria for the Fish and Aquatic Life use (i.e. at least one fish Index of Biotic Integrity (IBI) average scored in the poor condition category). New and available total phosphorus, chloride, and biological (macroinvertebrate) sample data were assessed and were clearly below 2018 WisCALM listing criteria for the Fish and Aquatic Life use (i.e. no macroinvertebrate IBI scored in the poor category).
Date
8/3/2017