| Unnamed | Button Creek | 0.00 | 1.62 | 5041807 | River | Walworth | Total Phosphorus | High Phosphorus Levels | 303d Listed | High |
| Geneva Lake | Hr1 Robinson Hillside Beach | 0.00 | 0.33 | 758300 | Inland Beach | Walworth | E. coli | Recreational Restrictions - Pathogens | Water Delisted | Delisted 2014 |
| Geneva Lake | Linn/Robinson Public Beach, Lake Geneva | 0.00 | 0.03 | 758300 | Inland Beach | Walworth | E. coli | NA | Water Delisted | Delisted 2008 |
| White River | White River | 0.00 | 15.45 | 751200 | River | Racine, Walworth | Total Phosphorus | Impairment Unknown | TMDL Development | High |
| Lake Ivanhoe | Ivanhoe Lake | | | 756700 | Lake | Walworth | Unknown Pollutant | Degraded Aquatic Vegetation | Proposed for List | Low |
| Geneva Lake | Lake Geneva | | | 758300 | Lake | Walworth | Unknown Pollutant | Degraded Aquatic Vegetation | Proposed for List | Low |