Lake Elmo
Yellowstone County, Montana68 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Lake Elmo in Yellowstone County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 68 acres.
Lake Elmo is a 68-acre lake in Yellowstone 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 Lake Elmo 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 Lake Elmo
These are the measurements Montana DEQ publishes for Lake Elmo, 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 Lake Elmo
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
68 acres
Shoreline
1.4 mi
No bathymetric survey has been published for Lake Elmo, so its depth is not documented here.
Stays via Stay22
Stays near Lake Elmo
Compare lakeside cabins, hotels, and vacation rentals near Lake Elmo in Yellowstone 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.
Top-rated places to stay near Lake Elmo
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Fishing Lake Elmo
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Frequently asked questions about Lake Elmo
Where is Lake Elmo?
- Lake Elmo is a lake in Yellowstone County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Lake Elmo?
- Lake Elmo in Yellowstone County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 68 acres.
Is Lake Elmo 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 Lake Elmo come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.