- Contact information
-
For information on Lakes in Wisconsin, contact:
- DNR Lake
Division of Water
Bureau of Water Quality
- Clean Boats, Clean Waters Contacts
Cosgrove Lake
Location:
To Excel
| Date | Prior Waterbody | County | WBIC | Known Aquatic Invasive Species |
| 06/21/2025 | Fisher lake | Florence County | 0 | Information Not Available |
| 06/20/2025 | Lake Elwood | Florence County | 0 | Information Not Available |