O'Dell Coulee Reservoir
McCone County, Montana89 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
O'Dell Coulee Reservoir in McCone County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 89 acres.
O'Dell Coulee Reservoir is a 89-acre lake in McCone 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 O'Dell Coulee Reservoir 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 O'Dell Coulee Reservoir
These are the measurements Montana DEQ publishes for O'Dell Coulee Reservoir, 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 O'Dell Coulee Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
89 acres
Shoreline
3.6 mi
No bathymetric survey has been published for O'Dell Coulee Reservoir, so its depth is not documented here.
Stays via Stay22
Stays near O'Dell Coulee Reservoir
Compare lakeside cabins, hotels, and vacation rentals near O'Dell Coulee Reservoir in McCone 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 O'Dell Coulee Reservoir
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 O'Dell Coulee Reservoir’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing O'Dell Coulee Reservoir
Nearby Lakes in McCone County
Frequently asked questions about O'Dell Coulee Reservoir
Where is O'Dell Coulee Reservoir?
- O'Dell Coulee Reservoir is a lake in McCone County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of O'Dell Coulee Reservoir?
- O'Dell Coulee Reservoir in McCone County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 89 acres.
Is O'Dell Coulee Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore O'Dell Coulee Reservoir across LakeQuality
More lakes in Montana
Other Lakes in Montana
Where this data comes from
Measurements for O'Dell Coulee Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.