| Date | Prior Waterbody | County | WBIC | Known Aquatic Invasive Species |
| 07/05/2014 | Delavan Lake | Walworth County | 793600 | Banded Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Ornamental water lilies (non-native Nymphaea sp.), Pennywort, Phragmites (non-native), Purple Loosestrife, Zebra Mussel |
| 05/25/2014 | Geneva Lake | Walworth County | 758300 | Banded Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Quagga Mussel, Rusty Crayfish, Starry Stonewort, Yellow Iris, Zebra Mussel |
| 09/01/2013 | Geneva Lake | Walworth County | 758300 | Banded Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Quagga Mussel, Rusty Crayfish, Starry Stonewort, Yellow Iris, Zebra Mussel |
| 06/04/2011 | Geneva Lake | Walworth County | 758300 | Banded Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Quagga Mussel, Rusty Crayfish, Starry Stonewort, Yellow Iris, Zebra Mussel |
| 05/30/2011 | Wind Lake | Racine County | 761700 | Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Purple Loosestrife, Starry Stonewort, Zebra Mussel |
| 05/30/2011 | Delavan Lake | Walworth County | 793600 | Banded Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Ornamental water lilies (non-native Nymphaea sp.), Pennywort, Phragmites (non-native), Purple Loosestrife, Zebra Mussel |
| 05/22/2010 | Delavan Lake | Waukesha County | 793600 | Banded Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Ornamental water lilies (non-native Nymphaea sp.), Pennywort, Phragmites (non-native), Purple Loosestrife, Zebra Mussel |
| 05/22/2010 | Eagle Spring Lake | Waukesha County | 768600 | Asiatic Clam (Corbicula), Curly-Leaf Pondweed, Eurasian Water-Milfoil, Zebra Mussel |