Portage County, Wisconsin
WR05
257400
38.58 - 45.98
7.40
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This water was evaluated in the 2016, 2018, 2020, and 2024 cycles. Elevated temepratures issues were identified in the 2016 cycle and confirmed in the the subsequent cycles.Pollutant
Unknown Pollutant
Listed For
Fish and Aquatic Life
Impairments
Elevated Water Temperature
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Coldwater - natural reproduction
Priority
Low
Designated Use
Coldwater - natural reproduction
303(d) ID
2016-051
Listing Date
4/1/2016
Impaired Water Notes
This water was assessed during the 2016 listing cycle; temperature data exceeded 2016 WisCALM listing thresholds for the Fish and Aquatic Life use.
Date
9/2/2015
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new temperature sample data exceed 2018 WisCALM listing criteria for the Fish and Aquatic Life use.
Date
4/12/2017
Impaired Water Notes
This water was assessed during the 2020 listing cycle; temperature sample data exceed 2020 WisCALM listing criteria for the Fish and Aquatic Life use. Total phosphorus data were clearly below Recreation use and Fish and Aquatic Life use listing thresholds. Available biological data do not indicate impairment (i.e. no macroinvertebrate or fish Index of Biotic Integrity (IBI) scored in the "poor" condition category). Based on the most updated information, no change in existing impaired waters listing is needed.
Date
6/14/2019