Grace Lake
Flathead County, Montana82 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Grace Lake in Flathead County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 82 acres.
Grace Lake is a 82-acre lake in Flathead 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 Grace 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 Grace Lake
These are the measurements Montana DEQ publishes for Grace 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 Grace Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
82 acres
Shoreline
2 mi
No bathymetric survey has been published for Grace Lake, so its depth is not documented here.
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Stays near Grace Lake
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Frequently asked questions about Grace Lake
Where is Grace Lake?
- Grace Lake is a lake in Flathead County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Grace Lake?
- Grace Lake in Flathead County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 82 acres.
Is Grace 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 Grace Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.