Rock County, Wisconsin
LR02
796800
0.00 - 5.70
5.70
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This water was assessed during the 2014 listing cycle; phosphorus sample data nearly met (May Meet) 2014 WisCALM listing thresholds for the Fish and Aquatic Life use and biological sample data, macroinvertebrate or fish Index of Biotic Integrity (IBI), scored in the fair to excellent condition categories. Further monitoring may be recommended.
This water was assessed during the 2018 listing cycle; new total phosphorus sample data were clearly below 2018 WisCALM listing thresholds for the Fish and Aquatic Life use. In 2026 E. coli samples indicated that this water was not fully supporting recreational use and was placed on the Impaired Waters List. Pollutant
E. coli
Listed For
Recreation
Impairments
Recreational Restrictions - Pathogens
Current Use
Restricted Recreation
Listing Status
Proposed for List
Attainable Use
Recreation
Priority
Low
Designated Use
Recreation
303(d) ID
2026-72
Listing Date