Mystic Lake
Stillwater County, Montana436 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Mystic Lake in Stillwater County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 436 acres.
Mystic Lake is a 436-acre lake in Stillwater 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 Mystic 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 Mystic Lake
These are the measurements Montana DEQ publishes for Mystic 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 Mystic Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
436 acres
Shoreline
5.9 mi
No bathymetric survey has been published for Mystic Lake, so its depth is not documented here.
Stays via Stay22
Stays near Mystic Lake
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Fishing Mystic Lake
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Frequently asked questions about Mystic Lake
Where is Mystic Lake?
- Mystic Lake is a lake in Stillwater County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Mystic Lake?
- Mystic Lake in Stillwater County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 436 acres.
Is Mystic 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 Mystic Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.