Contact information
For information on Lakes in Wisconsin, contact:
DNR Lake
Division of Water
Bureau of Water Quality
Clean Boats, Clean Waters Contacts

Delavan Lake -- Access Off State Hwy 50

Location:

Times Contacted (2012-2013)


Boat Used Past 5 Days On Different Waterbody? (2019-2025)


Waterbodies Visited (2012-2013)


Prevention Steps (2012-2013)


Aware of Laws


Show 2015-2017 Questions
Delavan Lake has the following aquatic invasive species:
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