Turtle Lake
Oneida County, Wisconsin52 acresView mapDirections
No nutrient or algae sampling on record from Wisconsin DNR for this lake.
- 15 ft max depth
Turtle Lake in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 15 ft. Surface area: 52 acres.
Turtle Lake is a 52-acre lake in Oneida County, Wisconsin with a maximum depth of 15 feet.
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 Turtle 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 Turtle Lake
These are the measurements Wisconsin DNR publishes for Turtle 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 Turtle 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 Turtle Lake covering fish populations, stocking, water quality, and management. 1 report on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- 2025Turtle Lake spring shocking survey, 2025Spring Shocking Survey · WI DNR · 2025 (PDF)
Lake Details
Max depth
15 ft
Surface area
52 acres
Shoreline
1.3 mi
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Fishing Turtle Lake
Nearby Lakes in Oneida County
Frequently asked questions about Turtle Lake
Where is Turtle Lake?
- Turtle Lake is a lake in Oneida County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Turtle Lake?
- Turtle Lake in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 15 ft. Surface area: 52 acres.
Is Turtle Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Turtle Lake?
- Turtle Lake has a maximum depth of 15 feet. The lake covers 52 acres.
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Where this data comes from
Measurements for Turtle Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.