Putnam Lake
Blaine County, Montana416 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Putnam Lake in Blaine County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 416 acres.
Putnam Lake is a 416-acre lake in Blaine 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 Putnam 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 Putnam Lake
These are the measurements Montana DEQ publishes for Putnam 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 Putnam Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
416 acres
Shoreline
6.7 mi
No bathymetric survey has been published for Putnam Lake, so its depth is not documented here.
Stays via Stay22
Stays near Putnam Lake
Compare lakeside cabins, hotels, and vacation rentals near Putnam Lake in Blaine 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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Frequently asked questions about Putnam Lake
Where is Putnam Lake?
- Putnam Lake is a lake in Blaine County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Putnam Lake?
- Putnam Lake in Blaine County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 416 acres.
Is Putnam 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 Putnam Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.