Marshall Lake
Cook County, Minnesota55 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- 16 ft max depth
Marshall Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 16 ft. Surface area: 55 acres.
Marshall Lake is a 55-acre lake in Cook County, Minnesota with a maximum depth of 16 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 Marshall Lake 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 Marshall Lake
These are the measurements Minnesota PCA publishes for Marshall 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.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
16 ft
Surface area
55 acres
Shoreline
1.4 mi
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Fishing Marshall Lake
Nearby Lakes in Cook County
Frequently asked questions about Marshall Lake
Where is Marshall Lake?
- Marshall Lake is a lake in Cook County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Marshall Lake?
- Marshall Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 16 ft. Surface area: 55 acres.
Is Marshall Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Marshall Lake?
- Marshall Lake has a maximum depth of 16 feet. The lake covers 55 acres.
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Where this data comes from
Measurements for Marshall Lake 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