Manning Lake
Roosevelt County, Montana94 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Manning Lake in Roosevelt County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 94 acres.
Manning Lake is a 94-acre lake in Roosevelt County, Montana.
Source: EPA Water Quality Portal sampling records, Montana DEQ. 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 Manning Lake is safe to swim in today is a call for the Montana Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Manning Lake
These are the measurements Montana DEQ publishes for Manning 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 Manning Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
94 acres
Shoreline
2.3 mi
No bathymetric survey has been published for Manning Lake, so its depth is not documented here.
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Stays near Manning Lake
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Frequently asked questions about Manning Lake
Where is Manning Lake?
- Manning Lake is a lake in Roosevelt County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Manning Lake?
- Manning Lake in Roosevelt County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 94 acres.
Is Manning 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 Manning Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.