Lake One
Lake County, Minnesota888 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- Impaired · Mercury
- 56 ft max depth
Lake One in Lake County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 55.8 ft. Surface area: 888 acres.
Lake One is a 888-acre lake in Lake County, Minnesota with a maximum depth of 56 feet.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. Methodology: how these readings are compared.
What Lake One is good for
From access and monitoring records, not editorial picks.
- Deep water55.8 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Lake One is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Lake One is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake One
These are the measurements Minnesota PCA publishes for Lake One, 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 Lake One
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
55.8 ft
Surface area
888 acres
Shoreline
22.5 mi
Stays via Stay22
Stays near Lake One
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Fishing Lake One
EPA Impairment Status
Lake One is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MN38-0605-00 · Official waterbody report
Nearby Lakes in Lake County
Frequently asked questions about Lake One
Where is Lake One?
- Lake One is a lake in Lake County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Lake One?
- Lake One in Lake County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 55.8 ft. Surface area: 888 acres.
Is Lake One safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake One is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Lake One?
- Lake One has a maximum depth of 55.8 feet. The lake covers 888 acres.
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Where this data comes from
Measurements for Lake One 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
Lake details from Minnesota DNR LakeFinder