Jefferson County Wisconsin Fishing
7 documented fish species across 7 Jefferson County lakes.
Panfish
Catfish & Bullhead
Other Species
Jefferson County Fishing Lakes
| Lake | Clarity | Max Depth | Species |
|---|---|---|---|
| Rock Lake | 12 ft | 60 ft | 5 |
| Red Cedar Lake | 4 ft | 6 ft | 1 |
| Lake Ripley | 9 ft | 44 ft | 4 |
| Blue Spring Lake | 6.2 ft | 27 ft | 3 |
| Mud Lake | 2.3 ft | 22 ft | 2 |
| Lake Koshkonong | 1.7 ft | 7 ft | 7 |
| Hope Lake | 8 ft | 24 ft | 3 |
Jefferson County water quality
DNR Survey Reports
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- 2025Lower Spring Lake spring shocking survey, 2025Spring Shocking Survey · WI DNR · 2025 (PDF)
- 2023Lake Ripley comprehensive survey, 2023Comprehensive Survey · WI DNR · 2023 (PDF)
- 2023Lower Spring Lake Spring summary report, 2023Fisheries Survey · WI DNR · 2023 (PDF)
- 2022Rock Lake comprehensive survey, 2022Comprehensive Survey · WI DNR · 2022 (PDF)
Where to stay in Jefferson County
Top-rated places to stay near Jefferson County, Wisconsin
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Frequently Asked Questions
What fish are in Jefferson County lakes?
Jefferson County, Wisconsin has 7 documented fish species across 7 lakes, including Panfish, Northern Pike, Largemouth Bass, Walleye, Smallmouth Bass.
Which Jefferson County fishing lake has the cleanest water?
Rock Lake ranks highest on nutrient and algae readings among Jefferson County lakes with a documented fishery.