Ninepipe Reservoir
Lake County, Montana1,214 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Ninepipe Reservoir in Lake County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 1214 acres.
Ninepipe Reservoir is a 1,214-acre lake in Lake County, Montana.
Source: EPA Water Quality Portal sampling records, Montana DEQ. Methodology: how these readings are compared.
What Ninepipe Reservoir is good for
From access and monitoring records, not editorial picks.
- Big water1,214 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Ninepipe Reservoir 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 Ninepipe Reservoir
These are the measurements Montana DEQ publishes for Ninepipe Reservoir, 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 Ninepipe Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
1,214 acres
Shoreline
10.4 mi
No bathymetric survey has been published for Ninepipe Reservoir, so its depth is not documented here.
Stays via Stay22
Stays near Ninepipe Reservoir
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Top-rated places to stay near Ninepipe Reservoir
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Fishing Ninepipe Reservoir
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Frequently asked questions about Ninepipe Reservoir
Where is Ninepipe Reservoir?
- Ninepipe Reservoir is a lake in Lake County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Ninepipe Reservoir?
- Ninepipe Reservoir in Lake County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 1214 acres.
Is Ninepipe Reservoir 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 Ninepipe Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.