Sullivan Lake
Douglas County, Wisconsin83 acresView mapDirections
No nutrient or algae sampling on record from Wisconsin DNR for this lake.
- 7 ft max depth
Sullivan Lake in Douglas County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 6.6 ft. Surface area: 83 acres.
Sullivan Lake is a 83-acre lake in Douglas County, Wisconsin with a maximum depth of 7 feet (3-foot average).
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Sullivan 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 Sullivan Lake
These are the measurements Wisconsin DNR publishes for Sullivan 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 Sullivan Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
6.6 ft
Average depth
3.3 ft
Surface area
83 acres
Shoreline
1.3 mi
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Fishing Sullivan Lake
Nearby Lakes in Douglas County
Frequently asked questions about Sullivan Lake
Where is Sullivan Lake?
- Sullivan Lake is a lake in Douglas County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Sullivan Lake?
- Sullivan Lake in Douglas County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 6.6 ft. Surface area: 83 acres.
Is Sullivan Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Sullivan Lake?
- Sullivan Lake has a maximum depth of 6.6 feet and an average depth of 3.3 feet. The lake covers 83 acres.
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Where this data comes from
Measurements for Sullivan Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.