Impaired Water - Lake Ivanhoe (Ivanhoe Lake)
Walworth County, Wisconsin
FX03
756700
46.04
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Macrophyte surveys reviewed in the 2024 cycle indicate a possible pollutant issue; more monitoring recommended before a condition is assigned. Data in the 2026 assessment cycle confirmed an impaired macrophyte community, and this waterbody was listed.
Listing Details
Pollutant
Unknown Pollutant
Listed For
Fish and Aquatic Life
Impairments
Degraded Aquatic Vegetation
Current Use
Unsupported Aquatic Life
Listing Status
Proposed for List
Attainable Use
Default - Fish and Aquatic Life
Priority
Low
Designated Use
Default - Fish and Aquatic Life
303(d) ID
2026-31
Listing Date
4/1/2026