Lake Mary
Otter Tail County, Minnesota177 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- 7 ft max depth
Lake Mary in Otter Tail County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 6.6 ft. Surface area: 177 acres.
Lake Mary is a 177-acre lake in Otter Tail County, Minnesota with a maximum depth of 7 feet.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. 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 Lake Mary 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 Mary
These are the measurements Minnesota PCA publishes for Lake Mary, 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 Mary
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
6.6 ft
Surface area
177 acres
Shoreline
2.7 mi
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Fishing Lake Mary
Nearby Lakes in Otter Tail County
Frequently asked questions about Lake Mary
Where is Lake Mary?
- Lake Mary is a lake in Otter Tail 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 Mary?
- Lake Mary in Otter Tail County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 6.6 ft. Surface area: 177 acres.
Is Lake Mary safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Mary?
- Lake Mary has a maximum depth of 6.6 feet. The lake covers 177 acres.
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Where this data comes from
Measurements for Lake Mary come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Lake details from Minnesota DNR LakeFinder