- Contact information
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For information on Lakes in Wisconsin, contact:
- DNR Lake
Division of Water
Bureau of Water Quality
- Clean Boats, Clean Waters Contacts
Mason Lake -- Lake Mason Access
Location:
Mason Lake has the following aquatic invasive species:
Banded Mystery Snail, Brittle Waternymph, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Japanese knotweed (Fallopia japonica), Phragmites (non-native), Yellow Iris