Mill Lake
Lemhi County, Idaho32 acresView mapDirections
No nutrient or algae sampling on record from Idaho DEQ for this lake.
Mill Lake in Lemhi County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 32 acres.
Mill Lake is a 32-acre lake in Lemhi County, Idaho.
Source: EPA Water Quality Portal sampling records, IDEQ. 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 Mill Lake is safe to swim in today is a call for the Idaho Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Mill Lake
These are the measurements Idaho DEQ publishes for Mill 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 Mill Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
32 acres
Shoreline
0.9 mi
No bathymetric survey has been published for Mill Lake, so its depth is not documented here.
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Stays near Mill Lake
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Frequently asked questions about Mill Lake
Where is Mill Lake?
- Mill Lake is a lake in Lemhi County, Idaho. Its water-quality measurements are published by Idaho DEQ and shown on this page as reported.
What is the water quality of Mill Lake?
- Mill Lake in Lemhi County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 32 acres.
Is Mill 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 Mill Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.