| Date | Prior Waterbody | County | WBIC | Known Aquatic Invasive Species |
| 08/03/2021 | Lake Keesus | Waukesha County | 0 | Information Not Available |
| 07/27/2021 | Cedar Lake | Washington County | 0 | Information Not Available |
| 07/27/2021 | Spring County | Jefferson County | 0 | Information Not Available |
| 07/27/2021 | Lake Seven | Fond du Lac County | 0 | Information Not Available |
| 07/27/2021 | Milwaukee River | Milwaukee County | 0 | Information Not Available |
| 07/21/2021 | Random Lake | Sheboygan County | 0 | Information Not Available |
| 07/21/2021 | Mud Lake | | 0 | Information Not Available |
| 07/21/2021 | Long Lake | Fond du Lac County | 0 | Information Not Available |
| 07/13/2021 | Random Lake | Sheboygan County | 0 | Information Not Available |
| 07/02/2021 | Big Cedar | Washington County | 0 | Information Not Available |
| 06/22/2021 | Sheboygan River | Sheboygan County | 0 | Information Not Available |
| 06/17/2021 | Milwaukee River | Milwaukee County | 0 | Information Not Available |
| 06/17/2021 | Lake Winnebago | Fond du Lac County | 0 | Information Not Available |
| 06/17/2021 | Elkhart Lake | Sheboygan County | 0 | Information Not Available |
| 06/10/2021 | Lake Michigan | | 0 | Information Not Available |
| 05/31/2021 | Lake Winnebago | Fond du Lac County | 131100 | Asiatic Clam (Corbicula), Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Faucet Snail, Flowering Rush, Hybrid Eurasian / Northern Water-Milfoil, Phragmites (non-native), Purple Loosestrife, Rusty Crayfish, Spiny Waterflea, Zebra Mussel |
| 05/31/2021 | Random Lake | Sheboygan County | 30300 | Curly-Leaf Pondweed, Eurasian Water-Milfoil, Spiny Naiad, Zebra Mussel |