Martin and C Bar J Reservoir
Wheatland County, Montana71 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Martin and C Bar J Reservoir in Wheatland County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 71 acres.
Martin and C Bar J Reservoir is a 71-acre lake in Wheatland 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 Martin and C Bar J 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 Martin and C Bar J Reservoir
These are the measurements Montana DEQ publishes for Martin and C Bar J 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 Martin and C Bar J Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
71 acres
Shoreline
2 mi
No bathymetric survey has been published for Martin and C Bar J Reservoir, so its depth is not documented here.
Stays via Stay22
Stays near Martin and C Bar J Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Martin and C Bar J Reservoir in Wheatland 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 Martin and C Bar J 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 Martin and C Bar J Reservoir’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Martin and C Bar J Reservoir
Nearby Lakes in Wheatland County
Frequently asked questions about Martin and C Bar J Reservoir
Where is Martin and C Bar J Reservoir?
- Martin and C Bar J Reservoir is a lake in Wheatland County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Martin and C Bar J Reservoir?
- Martin and C Bar J Reservoir in Wheatland County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 71 acres.
Is Martin and C Bar J Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Martin and C Bar J Reservoir across LakeQuality
More lakes in Montana
Other Lakes in Montana
Where this data comes from
Measurements for Martin and C Bar J Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.