Lake Thom
Musselshell County, Montana112 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Lake Thom in Musselshell County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 112 acres.
Lake Thom is a 112-acre lake in Musselshell 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 Thom 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 Thom
These are the measurements Montana DEQ publishes for Lake Thom, 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 Thom
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
112 acres
No bathymetric survey has been published for Lake Thom, so its depth is not documented here.
Stays via Stay22
Stays near Lake Thom
Compare lakeside cabins, hotels, and vacation rentals near Lake Thom in Musselshell 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 Thom
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 Lake Thom’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake Thom
Nearby Lakes in Musselshell County
Frequently asked questions about Lake Thom
Where is Lake Thom?
- Lake Thom is a lake in Musselshell 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 Thom?
- Lake Thom in Musselshell County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 112 acres.
Is Lake Thom safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Lake Thom across LakeQuality
More lakes in Montana
Other Lakes in Montana
Where this data comes from
Measurements for Lake Thom come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.