Heart Lake
Mineral County, Montana60 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
- 160 ft max depth
Heart Lake in Mineral County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Maximum depth: 160 ft. Surface area: 60 acres.
Heart Lake is a 60-acre lake in Mineral County, Montana with a maximum depth of 160 feet.
Source: EPA Water Quality Portal sampling records, Montana DEQ. Methodology: how these readings are compared.
What Heart Lake is good for
From access and monitoring records, not editorial picks.
- Deep water160 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Heart 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 Heart Lake
These are the measurements Montana DEQ publishes for Heart 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 Heart Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
160 ft
Surface area
60 acres
Shoreline
1.3 mi
Stays via Stay22
Stays near Heart Lake
Compare lakeside cabins, hotels, and vacation rentals near Heart Lake in Mineral County, Montana — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Fishing Heart Lake
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Frequently asked questions about Heart Lake
Where is Heart Lake?
- Heart Lake is a lake in Mineral County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Heart Lake?
- Heart Lake in Mineral County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Maximum depth: 160 ft. Surface area: 60 acres.
Is Heart Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Heart Lake?
- Heart Lake has a maximum depth of 160 feet. The lake covers 60 acres.
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Where this data comes from
Measurements for Heart Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.