- 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
Rock Lake -- Ferry Park Landing Access
Location:
Projects That Have Been Active in 2024-2026:
| Project | Boats Inspected 2024 | Boats Inspected 2025 | Boats Inspected 2026 | Details |
| JEFFERSON COUNTY LCD: Jefferson 2024 CBCW | 63 | 0 | 0 |
Details
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| JEFFERSON COUNTY LCD: Jefferson 2025 CBCW | 0 | 60 | 0 |
Details
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| JEFFERSON COUNTY LCD: Jefferson 2026 CBCW | 0 | 0 | 43 |
Details
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Rock Lake has the following aquatic invasive species:
Banded Mystery Snail, Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Rusty Crayfish, Spiny Naiad, Starry Stonewort, Yellow Iris, Zebra Mussel