There are at least 143 named lakes and reservoirs in Powder River County, Montana.

Reservoirs Anderson Reservoir, , el. Anderson Reservoir, , el. Antelope Reservoir (Montana), , el. Ash Creek Reservoir, , el. Ash Creek Reservoir Number Two, , el. Basin Reservoir, , el. Black Canyon Reservoir (Montana), , el. Bloom Creek Reservoir Number One, , el. Bloom Creek Reservoir Number Two, , el. Boundary Reservoir, , el. Boundary Reservoir, , el. Bowers Reservoir, , el. Buck Pasture Reservoirs, , el. Buckberry Reservoir, , el. Bull Reservoir, , el. Burnside Reservoir, , el. CCC Reservoir, , el. CCC Reservoir, , el. Callaway Reservoir, , el. Cameron Reservoir, , el. Canyon Reservoir (Montana), , el. Chromo Reservoir, , el. Clay Reservoir, , el. Cloudburst Reservoir, , el. Coal Creek Reservoir, , el. Coal Creek Reservoir, , el. Coleman Reservoir, , el. Cook Creek Reservoir, , el. Cottonwood Reservoir, , el. Cow Creek Reservoir, , el. Crowfoot Reservoir, , el. Cub Creek Reservoir, , el. Daily Reservoir, , el. Daily Reservoir, , el. Dam Creek Reservoir, , el. Deer Creek Reservoir Number One, , el. Deer Creek Reservoir Number Three, , el. Deer Creek Reservoir Number Two, , el. Detborn Reservoir, , el. Diamond Butte Reservoir Number One, , el. Diamond Butte Reservoir Number Two, , el. Doubtful Reservoir, , el. Drop Tube Reservoir, , el. Dry Gulch Reservoir, , el. Dunning Reservoir, , el. Dunning Reservoir, , el. Elk Creek Reservoir Number One, , el. Elk Creek Reservoir Number Three, , el. Elk Creek Reservoir Number Two, , el. Elk Ridge Reservoir, , el. Erickson Reservoir, , el. Fifteenmile Reservoir Number One, , el. Fifteenmile Reservoir Number Two, , el. Fletcher Reservoir, , el. Fly Creek Reservoir, , el. Forsgreen Reservoir, , el. Garr Reservoir, , el. Gaskill Reservoir, , el. Gaskill Reservoir, , el. Gene Creek Reservoir, , el. Goodspeed Draw Reservoir, , el. Griffin Pass Reservoir, , el. Hailstone Reservoir, , el. Halfway Reservoir, , el. Hanic Reservoir, , el. Happy Coulee Reservoir, , el. Hazel Reservoir, , el. Hint Reservoirs, , el. Hondu Reservoir, , el. Horse Pasture Reservoir, , el. Howard Reservoir, , el. Howes Reservoir, , el. Howes Reservoir, , el. Indian Creek Reservoir, , el. Indian Creek Reservoir Number One, , el. Indian Creek Reservoir Number Two, , el. John Gold Reservoir, , el. Knudson Reservoir, , el. Kueffer Reservoir, , el. Last Chance Reservoir, , el. Logging Creek Reservoir, , el. Lost Creek Reservoir, , el. Lower Coal Creek Reservoir, , el. Lower Wilbur Reservoir, , el. Lyon Creek Divide Reservoir, , el. Main Ash Reservoir, , el. Mason Reservoir, , el. McLatchy Reservoir, , el. Miller Draw Reservoir, , el. Moody Reservoir, , el. Morris Reservoir, , el. Mud Turtle Reservoir, , el. Necessity Reservoir, , el. Oil Well Reservoir, , el. Paget Reservoir Number Four, , el. Paget Reservoir Number One, , el. Paget Reservoir Number Three, , el. Paget Reservoir Number Two, , el. Phillips Reservoir, , el. Pierce Reservoir, , el. Plum Creek Reservoir, , el. Price Reservoir, , el. Rainey Reservoir, , el. Reanus Reservoir, , el. Ridenour Reservoir, , el. Rimrock Reservoir, , el. Road Creek Reservoir, , el. Road Reservoir, , el. Rocky Crossing Reservoir, , el. Rocky Draw Reservoir, , el. Sanburn Reservoir, , el. Sand Rock Reservoir, , el. Sartin Draw Reservoir, , el. Sawmill Reservoir, , el. Schiller Reservoir, , el. Seymour Reservoir, , el. Shady Rest Reservoir, , el. Sheep Creek Reservoir, , el. Shell Reservoir, , el. Shorty Creek Reservoir, , el. Shorty Ridge Reservoir, , el. Shy Reservoir, , el. Simon Reservoir, , el. Slough Grass Reservoir, , el. Smith Reservoir, , el. Stewart Reservoir, , el. Stewart Reservoir Number Two, , el. Straight Creek Reservoir, , el. Swope Reservoir, , el. Taylor Creek Reservoir Number One, , el. Taylor Creek Reservoir Number Two, , el. Tobin Reservoir, , el. Tooley Creek Reservoir, , el. Trout Pond, , el. Turtle Reservoir, , el. Two Buck Reservoir, , el. Vannett Reservoir, , el. Well Reservoir, , el. Williams Reservoir, , el. Willow Creek Reservoir, , el. Wynkoop Reservoir, , el. Wynkoop SU Reservoir, , el. Yankee Reservoir, , el.

See also List of lakes in Montana

Notes