Little O'Brien Lake
Itasca County, Minnesota191 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
Little O'Brien Lake in Itasca County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 191 acres.
Little O'Brien Lake is a 191-acre lake in Itasca County, Minnesota.
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 Little O'Brien 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 Little O'Brien Lake
These are the measurements Minnesota PCA publishes for Little O'Brien 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 Little O'Brien Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
191 acres
Shoreline
6.5 mi
No bathymetric survey has been published for Little O'Brien Lake, so its depth is not documented here.
Stays via Stay22
Stays near Little O'Brien Lake
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Fishing Little O'Brien Lake
Nearby Lakes in Itasca County
Frequently asked questions about Little O'Brien Lake
Where is Little O'Brien Lake?
- Little O'Brien Lake is a lake in Itasca County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Little O'Brien Lake?
- Little O'Brien Lake in Itasca County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 191 acres.
Is Little O'Brien Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Little O'Brien 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