Jefferson County, Wisconsin
UR02
830700
0.00 - 0.01
0.01
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Rock Lake Ferry Park Beach was evaluated every two-year cycle from 2014 to 2024; bacteria levels indicated average conditions safe for recreation. This beach is on the Waters Attaining Standards List.
This water was added to the Impaired list during the 2026 cycle due to high E. coli levels harming recreation. 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
2026-62
Listing Date
4/1/2026