Point of Rocks Reservoir
Phillips County, Montana146 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Point of Rocks Reservoir in Phillips County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 146 acres.
Point of Rocks Reservoir is a 146-acre lake in Phillips 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 Point of Rocks 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 Point of Rocks Reservoir
These are the measurements Montana DEQ publishes for Point of Rocks 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.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
146 acres
No bathymetric survey has been published for Point of Rocks Reservoir, so its depth is not documented here.
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Frequently asked questions about Point of Rocks Reservoir
Where is Point of Rocks Reservoir?
- Point of Rocks Reservoir is a lake in Phillips County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Point of Rocks Reservoir?
- Point of Rocks Reservoir in Phillips County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 146 acres.
Is Point of Rocks 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 Point of Rocks Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.