Shonkin Lake
Chouteau County, Montana498 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Shonkin Lake in Chouteau County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 498 acres.
Shonkin Lake is a 498-acre lake in Chouteau 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 Shonkin 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 Shonkin Lake
These are the measurements Montana DEQ publishes for Shonkin 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 Shonkin Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
498 acres
No bathymetric survey has been published for Shonkin Lake, so its depth is not documented here.
Stays via Stay22
Stays near Shonkin Lake
Compare lakeside cabins, hotels, and vacation rentals near Shonkin Lake in Chouteau 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 Shonkin Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Montana’s top lakes →
Follow Shonkin Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Shonkin Lake
Nearby Lakes in Chouteau County
Frequently asked questions about Shonkin Lake
Where is Shonkin Lake?
- Shonkin Lake is a lake in Chouteau County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Shonkin Lake?
- Shonkin Lake in Chouteau County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 498 acres.
Is Shonkin Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Shonkin Lake across LakeQuality
More lakes in Montana
Other Lakes in Montana
Where this data comes from
Measurements for Shonkin Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.