Fish Lake
Dane County, Wisconsin199 acresView mapDirections
No nutrient or algae sampling on record from Wisconsin DNR for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 62 ft max depth
- Public access
Fish Lake in Dane County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 62 ft. Surface area: 199 acres.
Fish Lake is a 199-acre lake in Dane County, Wisconsin with a maximum depth of 62 feet (22-foot average). Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water. Methodology: how these readings are compared.
What Fish Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Deep water62 ft surveyed max depth
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Fish Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Fish Lake is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Fish Lake
These are the measurements Wisconsin DNR publishes for Fish Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Fish Lake
Answers come straight from the public measurements and survey records on this page.
DNR Reports & Resources
Wisconsin DNR Fisheries scientists publish multi-year survey reports for Fish Lake covering fish populations, stocking, water quality, and management. 2 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- 2021Fish Lake comprehensive survey, 2021Comprehensive Survey · WI DNR · 2021 (PDF)
- 2015Fish and Mud lakes comprehensive survey, 2015Comprehensive Survey · WI DNR · 2015 (PDF)
Lake Details
Max depth
62 ft
Average depth
21.7 ft
Surface area
199 acres
Shoreline
2.5 mi
Public access
Yes
Listed by Wisconsin DNR
Recreation & Access
- Lussier County ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Fish Lake
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Fishing Fish Lake
EPA Impairment Status
Fish Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
Source: EPA ATTAINS assessment unit WI10002702 · Official waterbody report
Nearby Lakes in Dane County
Frequently asked questions about Fish Lake
Where is Fish Lake?
- Fish Lake is a lake in Dane County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Fish Lake?
- Fish Lake in Dane County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 62 ft. Surface area: 199 acres.
Is Fish Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Fish Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Fish Lake?
- Fish Lake has a maximum depth of 62 feet and an average depth of 21.7 feet. The lake covers 199 acres.
Are there boat ramps on Fish Lake?
- Fish Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lussier County Park. Public access is listed as yes.
Can I fish at Fish Lake?
- Fish Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
Measurements for Fish Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory