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Geography Home Browse by State Browse by Feature Definitions Top 10 |
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Geography Home Browse by State Browse by Feature Definitions Top 10 |
Montana Reservoir
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Feature Name
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County
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Latitude
|
Longitude
|
| 3 Way Number 2 Reservoir | Phillips | 48.93556 | -107.67778 |
| Abel Reservoir | Carter | 45.72528 | -104.18833 |
| Abey Reservoir | Valley | 48.55611 | -106.89111 |
| Absolen Reservoir | Rosebud | 46.53611 | -106.75861 |
| Access Reservoir | Valley | 47.99083 | -106.95583 |
| Ackley Lake | Judith Basin | 46.95833 | -109.93167 |
| Ada Reservoir | Phillips | 48.88722 | -107.66861 |
| Adams Reservoir | Carbon | 45.07167 | -108.66833 |
| Airport Reservoir | Prairie | 46.64611 | -105.00861 |
| Aitken Reservoir | Valley | 48.11889 | -106.71972 |
| Albicaulis Lake | Granite | 46.33167 | -113.05833 |
| Albro Lake | Madison | 45.59417 | -111.9675 |
| Aldrin Reservoir | Valley | 48.09861 | -106.88028 |
| Alkali Lake | Meagher | 46.49028 | -111.0275 |
| Als Coulee Reservoir | Blaine | 48.01222 | -109.18639 |
| Anchor Lake | Beaverhead | 45.43333 | -112.99833 |
| Anderson Reservoir | Blaine | 48.25556 | -108.94722 |
| Antelope Creek Reservoir | McCone | 47.90778 | -105.68472 |
| Antelope Reservoir | Powder River | 45.22083 | -105.94028 |
| Antone Reservoir | Garfield | 46.90139 | -106.56333 |
| Apache Reservoir | Carter | 45.67417 | -104.60417 |
| Archambeault Retention Reservoir | Valley | 48.00972 | -106.69333 |
| Archdale Reservoir | Prairie | 46.575 | -104.91861 |
| Archie Reservoir | Phillips | 47.76333 | -107.98389 |
| Ardis Reservoir | Valley | 48.94722 | -107.15139 |
| Arrambide Reservoir | Valley | 48.04222 | -107.00944 |
| Artie Reservoir | Phillips | 48.97222 | -107.59444 |
| Ash Creek Reservoir | Powder River | 45.34472 | -106.03861 |
| Ash Creek Reservoir Number Two | Powder River | 45.3525 | -106.085 |
| Ashfield Reservoir | Phillips | 48.43167 | -107.48361 |
| Ashford Tank | Meagher | 46.77528 | -111.3575 |
| Ashley Lake | Flathead | 48.18333 | -114.62167 |
| Atlantic and Pacific Mine | Madison | 45.64833 | -111.98778 |
| Ayers Reservoir | Meagher | 46.65528 | -111.21361 |
| B and B Fishpond | Jefferson | 46.07222 | -112.41722 |
| B and H Reservoir | Valley | 47.80778 | -106.88639 |
| Badger Reservoir | Phillips | 47.70833 | -108.21056 |
| Bailer Reservoir | Dawson | 46.91667 | -104.73806 |
| Bailey Reservoir | Hill | 48.47222 | -110.1175 |
| Bandy Reservoir | Powell | 47.08 | -113.23806 |
| Bar C Reservoir | Carter | 45.79444 | -104.21972 |
| Barb Reservoir | Valley | 47.90111 | -106.80139 |
| Barley Reservoir | Rosebud | 46.395 | -106.36667 |
| Barley Reservoirs | Rosebud | 46.39444 | -106.36639 |
| Basin Creek Reservoir | Silver Bow | 45.85417 | -112.545 |
| Basin Reservoir | Powder River | 45.33361 | -105.96194 |
| Bass Lake | Lincoln | 48.82389 | -114.95694 |
| Bauer Reservoir | Phillips | 48.35861 | -107.51361 |
| Baulk Reservoir | Valley | 48.92139 | -107.15778 |
| Bean Reservoir | Valley | 48.09306 | -106.91556 |
| Bear Creek Reservoir | Fergus | 47.2725 | -108.68194 |
| Bear Tracks Reservoir | Valley | 48.28139 | -107.14611 |
| Bearpaw Lake | Hill | 48.32778 | -109.65833 |
| Beartracks Reservoir | Valley | 47.90361 | -107.37778 |
| Beast Reservoir | Valley | 47.88667 | -106.89722 |
| Beaver Reservoir | Valley | 48.08139 | -106.85389 |
| Beaverhead Reservoir | Valley | 47.93972 | -106.93944 |
| Becky Reservoir | Valley | 48.93056 | -107.15056 |
| Beechnut Reservoir | Valley | 48.13556 | -107.10444 |
| Beery Reservoir | McCone | 47.72806 | -105.385 |
| Beley Pond | Sweet Grass | 45.8675 | -109.99111 |
| Bell Lake | Madison | 45.5375 | -112.00333 |
| Bell Reservoir | Phillips | 47.69222 | -108.64472 |
| Bend Reservoir | Valley | 48.01056 | -107.14306 |
| Berger Reservoir | Valley | 47.88694 | -106.68028 |
| Berkholder Reservoir | Toole | 48.71528 | -111.28861 |
| Bertino Reservoir | Roosevelt | 48.21083 | -104.75056 |
| Bidstrip Reservoir | Carbon | 45.22417 | -109.12917 |
| Big Creek Lake | Ravalli | 46.495 | -114.35333 |
| Big Dam | Toole | 48.67083 | -111.27944 |
| Big Drop Reservoir | Dawson | 46.89444 | -104.64333 |
| Big Fork Reservoir | Valley | 48.05028 | -106.7925 |
| Big Lake | Toole | 48.935 | -111.465 |
| Big McNeil Slough | Phillips | 48.53917 | -107.52972 |
| Big Pozega Lake | Granite | 46.28389 | -113.07056 |
| Big Reservoir | Phillips | 48.80417 | -107.40194 |
| Big Rock Reservoir | Phillips | 47.61778 | -108.17528 |
| Big Sage Reservoir | Phillips | 47.76528 | -108.44694 |
| Big Snowy Reservoir | Phillips | 47.65889 | -108.3375 |
| Bighead Reservoir | Rosebud | 45.52139 | -106.38333 |
| Bighorn Lake | Big Horn | 45.30667 | -107.9575 |
| Bird Reservoir | Valley | 48.60389 | -106.92583 |
| Birkeland Reservoir | Chouteau | 47.69278 | -110.78278 |
| Birkrem Reservoir | Garfield | 46.89944 | -107.00222 |
| Bismark Reservoir | Madison | 45.60889 | -112.05222 |
| Bison Bone Reservoir | Phillips | 47.80083 | -108.27944 |
| Black Calf Reservoir | Valley | 48.92917 | -107.10583 |
| Black Canyon Reservoir | Powder River | 45.43556 | -106.23306 |
| Black Coulee | Blaine | 48.69333 | -108.395 |
| Black Coulee Pond | Phillips | 48.38556 | -107.72806 |
| Black Coulee Reservoir | Rosebud | 46.40194 | -106.67028 |
| Black Cow Reservoir | Phillips | 48.08583 | -107.6275 |
| Black Lake | Missoula | 47.19833 | -113.72167 |
| Black Reservoir | Valley | 48.59361 | -106.90444 |
| Black Sea Reservoir | Rosebud | 46.65833 | -107.31278 |
| Blackfoot Reservoir | Carter | 45.68444 | -104.53028 |
| Blacktail Reservoir | Rosebud | 46.65556 | -107.03194 |
| Blair Reservoir | Liberty | 48.71 | -110.215 |
| Blanch Reservoir | Blaine | 47.99667 | -109.17306 |
| Blanchard Reservoir | Valley | 48.06056 | -106.72944 |
| Bliss Reservoir | Valley | 48.01472 | -106.87556 |
| Blizzard Reservoir | Phillips | 47.73389 | -108.33417 |
| Blodgett Lake | Ravalli | 46.25222 | -114.45417 |
| Blomquist Reservoir | Beaverhead | 45.34472 | -112.65056 |
| Bloom Creek Reservoir Number One | Powder River | 45.2325 | -105.92833 |
| Bloom Creek Reservoir Number Two | Powder River | 45.2175 | -105.92111 |
| Blue Stem Reservoir | Phillips | 48.73611 | -108.14444 |
| Bog Reservoir | Phillips | 47.78028 | -108.14306 |
| Bohn Lake | Powell | 46.31472 | -112.95944 |
| Boies Reservoir | Rosebud | 46.74861 | -106.23389 |
| Bomber Reservoir | Valley | 47.94389 | -106.80222 |
| Bonanza Reservoir | Meagher | 46.45833 | -110.57639 |
| Bond Lake | Beaverhead | 45.44528 | -112.87417 |
| Boneau Reservoir | Chouteau | 48.29833 | -109.86028 |
| Bones Reservoir | Valley | 47.93778 | -106.97694 |
| Bonneau Reservoir | Chouteau | 48.29667 | -109.85 |
| Book Reservoir | Valley | 48.62 | -106.91667 |
| Boone Reservoir | Valley | 48.01278 | -106.84306 |
| Boot Lake | Beaverhead | 45.43111 | -112.97333 |
| Boundary Reservoir | Powder River | 45.18 | -106.17361 |
| Bourne and Hamilton Reservoir | Liberty | 48.46 | -111.19333 |
| Bourpe and Hamilton Reservoir | Liberty | 48.71667 | -111.175 |
| Bowers Reservoir | Powder River | 45.42833 | -105.91722 |
| Bowman Lakes | Powell | 46.3125 | -113.02167 |
| Bowman Reservoir | Rosebud | 45.50472 | -106.27472 |
| Boxelder Lake | Sheridan | 48.78667 | -104.55361 |
| Boyce Reservoir | Rosebud | 45.22333 | -106.30611 |
| Branum Lake | Custer | 46.38722 | -105.86583 |
| Brewer Reservoir | Carter | 45.60778 | -104.23333 |
| Bridge Creek Reservoir | Rosebud | 45.50278 | -106.24139 |
| Brown Coulee Reservoir | Rosebud | 46.65333 | -107.05889 |
| Brown Reservoir | Big Horn | 45.1675 | -107.3125 |
| Browning Reservoir | Valley | 47.89639 | -106.86222 |
| Browns Reservoir | Liberty | 48.44639 | -111.11306 |
| Brush Shack Reservoir | Blaine | 47.97111 | -109.16056 |
| Bubble Reservoir | Valley | 47.89111 | -106.86111 |
| Bucholtz Reservoir | Carter | 45.58583 | -104.06028 |
| Buck Pasture Reservoirs | Powder River | 45.17417 | -105.95944 |
| Buckberry Reservoir | Powder River | 45.68944 | -105.87361 |
| Buckingham Reservoir | Meagher | 46.65722 | -110.95306 |
| Buckskin Reservoir | Phillips | 47.64444 | -108.13417 |
| Bud Reservoir | Blaine | 47.9525 | -109.20028 |
| Buffalo Reservoir | Fallon | 46.26583 | -104.15472 |
| Bull Reservoir | Powder River | 45.24917 | -105.8275 |
| Bullhead Reservoir | Valley | 48.46444 | -106.35278 |
| Burd Hill Lake | Teton | 47.77667 | -112.24833 |
| Burditt Reservoir | Carter | 45.66417 | -104.26833 |
| Burgess Reservoir | Garfield | 47.49417 | -106.43361 |
| Burkhartsmeyer Reservoir | Hill | 48.6825 | -110.36944 |
| Burnside Reservoir | Powder River | 45.20194 | -105.94528 |
| Burnt Fork Lake | Ravalli | 46.30333 | -113.835 |
| Butch Reservoir | Blaine | 47.95222 | -109.11583 |
| Bynum Reservoir | Teton | 47.96222 | -112.4075 |
| Cabin Reservoir | Valley | 48.03222 | -106.77222 |
| Cabinet Gorge Reservoir | Sanders | 48.08556 | -116.05472 |
| Cactus Flat Detention Reservoir | Valley | 47.99778 | -106.79361 |
| Call Road Reservoir | Madison | 45.13361 | -111.85722 |
| Callaway Reservoir | Powder River | 45.29361 | -105.80444 |
| Cameron Reservoir | Powder River | 45.66306 | -105.81806 |
| Camp Reservoir | Dawson | 46.89389 | -104.6375 |
| Candee Pond | Richland | 47.96083 | -105.05583 |
| Canyon Ferry Lake | Lewis and Clark | 46.64861 | -111.72667 |
| Canyon Lake | Beaverhead | 45.58861 | -112.99333 |
| Carberry Reservoir | Phillips | 47.76111 | -107.95083 |
| Carol Reservoir | Valley | 48.8575 | -107.19583 |
| Carp Reservoir | Valley | 47.94833 | -106.8425 |
| Carter Lake | Missoula | 47.02528 | -113.91306 |
| Carter Reservoir | Phillips | 47.83361 | -107.87722 |
| Carters Pond | Fergus | 47.14194 | -109.42806 |
| Caruthers Lake | Powell | 46.33333 | -113.08333 |
| Cascade Reservoir | Cascade | 47.27583 | -111.7125 |
| Castle Rock Lake | Rosebud | 45.89306 | -106.63889 |
| Cat Reservoir | Valley | 48.03222 | -106.94722 |
| CCC Reservoir | Powder River | 45.23306 | -105.20333 |
| Cedar Lake | Madison | 45.23611 | -111.51778 |
| Chalk Butte Reservoir | Big Horn | 45.19444 | -107.31 |
| Charley Reservoir | Phillips | 48.86583 | -107.44556 |
| Cherokee Reservoir | Carter | 45.67028 | -104.53083 |
| Chessman Reservoir | Lewis and Clark | 46.47333 | -112.185 |
| Chico Reservoir | Valley | 47.865 | -106.895 |
| Childers Reservoir | Toole | 48.57167 | -111.34167 |
| Childrers Reservoir | Toole | 48.57361 | -111.34417 |
| Chowder Reservoir | Valley | 47.95444 | -106.81917 |
| Christensen Reservoir | Meagher | 46.55444 | -110.53722 |
| Christenson Reservoir | Garfield | 46.92583 | -106.51722 |
| Christian Lake | Toole | 48.94167 | -111.33167 |
| Christian Reservoir | Toole | 48.94167 | -111.33222 |
| Christianson Reservoir | McCone | 47.78167 | -105.99833 |
| Christmas Reservoir | Valley | 48.16778 | -107.20944 |
| Chromo Reservoir | Powder River | 45.43528 | -106.19472 |
| Circle Reservoir | Dawson | 47.53833 | -105.22833 |
| Cisco Reservoir | Valley | 48.11694 | -106.95194 |
| Clark Canyon Reservoir | Beaverhead | 44.98361 | -112.86222 |
| Clark Reservoir | Prairie | 46.88778 | -105.7025 |
| Clay Reservoir | Powder River | 45.20639 | -105.82833 |
| Clear Water Reservoir | Garfield | 46.85417 | -106.49361 |
| Cloudburst Reservoir | Powder River | 45.42889 | -106.09889 |
| Clover Reservoir | Valley | 48.02278 | -107.21222 |
| Coal Bank Reservoir | Rosebud | 45.31611 | -106.29472 |
| Coal Creek Reservoir | Powder River | 45.36111 | -106.18333 |
| Cochran Reservoir | Carter | 45.09583 | -104.69306 |
| Cole Ponds | Phillips | 48.54111 | -107.46611 |
| Coleman Reservoir | Powder River | 45.54472 | -106.08333 |
| Collins Reservoir | Valley | 47.89944 | -106.88917 |
| Columbia Gardens Water Supply | Jefferson | 46.04472 | -112.42056 |
| Confusion Reservoir | Valley | 48.49222 | -106.91083 |
| Conleys Lake | Powell | 46.38667 | -112.84972 |
| Conrad Reservoir | Pondera | 48.19028 | -112.02139 |
| Cook Creek Reservoir | Powder River | 45.63889 | -106.19306 |
| Cook Reservoir | Toole | 48.98556 | -111.31889 |
| Cooney Reservoir | Carbon | 45.44667 | -109.19833 |
| Corny Coulee Reservoir | Custer | 46.435 | -106.7175 |
| Corral Creek Reservoir | Custer | 46.0825 | -105.2375 |
| Corral Junction Number 2 Reservoir | Valley | 47.89333 | -106.985 |
| Corral Junction Number Two Reservoir | Valley | 47.89417 | -106.98472 |
| Corral Reservoir | Valley | 47.94417 | -107.30917 |
| Costich Lake | Lincoln | 48.89 | -115.02 |
| Cottonwood Reservoir | Garfield | 47.4525 | -106.40222 |
| Coulee Reservoir | Valley | 48.02639 | -106.97 |
| Cow Creek Reservoir | Powder River | 45.31028 | -106.24611 |
| Cowan Reservoir | Chouteau | 48.25917 | -109.90417 |
| Crandall Reservoir | Roosevelt | 48.23083 | -105.21694 |
| Crappie Reservoir | Valley | 48.06333 | -106.79583 |
| Creedman Reservoir | Hill | 48.96 | -109.75167 |
| Crow Reservoir | Lake | 47.50333 | -114.22833 |
| Crowfoot Reservoir | Powder River | 45.29778 | -105.93222 |
| Cub Creek Reservoir | Powder River | 45.25139 | -106.27333 |
| Cub Reservoir | Valley | 47.98222 | -106.94889 |
| D Ratzburg Reservoir | Toole | 48.26 | -111.58833 |
| Daily Reservoir | Powder River | 45.60056 | -106.03472 |
| Dam Creek Lake | Ravalli | 46.26556 | -113.79944 |
| Dam Creek Reservoir | Powder River | 45.40528 | -106.10972 |
| Dammel Reservoir | Chouteau | 47.70889 | -110.14 |
| Dan Reservoir | Phillips | 47.69222 | -108.20667 |
| Dead Cedar Reservoir | Phillips | 47.79194 | -108.84917 |
| Dead Cow Reservoir | Custer | 46.41306 | -105.19444 |
| Dead Horse Reservoir | Carter | 45.67528 | -104.24389 |
| Deadmans Basin Reservoir | Wheatland | 46.33917 | -109.41083 |
| Deep Cut Reservoir | Valley | 48.08167 | -106.79306 |
| Deep Lake | Madison | 45.605 | -111.98333 |
| Deep Reservoir | Phillips | 47.72639 | -108.48028 |
| Deer Creek Reservoir | Dawson | 47.245 | -105.07667 |
| Deer Creek Reservoir Number One | Powder River | 45.69278 | -106.03472 |
| Deer Creek Reservoir Number Three | Powder River | 45.65889 | -106.04639 |
| Deer Creek Reservoir Number Two | Powder River | 45.66194 | -106.05861 |
| Deerhead Lake | Beaverhead | 45.435 | -112.915 |
| Delmoe Lake | Jefferson | 45.985 | -112.34083 |
| Depression Reservoir | Carbon | 45.19306 | -108.8125 |
| Desert Claim Reservoir | Valley | 48.69 | -106.99333 |
| Detail Reservoir | Phillips | 47.73722 | -108.44333 |
| Detborn Reservoir | Powder River | 45.55333 | -106.02694 |
| Devils Canyon Reservoir | Carter | 45.69306 | -104.26472 |
| Dewdrop Reservoir | Carter | 45.61361 | -104.26944 |
| Diamond Butte Reservoir Number One | Powder River | 45.2475 | -105.94667 |
| Diamond Butte Reservoir Number Two | Powder River | 45.23806 | -105.91917 |
| Dick Golie Fish Pond | Cascade | 47.64667 | -111.18167 |
| Dicks Reservoir | Valley | 48.09833 | -106.83944 |
| Dillon Reservoir | Beaverhead | 45.24389 | -112.79472 |
| Dime Reservoir | Valley | 47.90972 | -106.77306 |
| Dione Reservoir | Phillips | 47.79278 | -107.96639 |
| Diversion | Hill | 48.78 | -109.61833 |
| Diversion Lake | Lewis and Clark | 47.62111 | -112.70556 |
| Divide Number Two Reservoir | Valley | 47.9825 | -106.94806 |
| Divide Reservoir | Valley | 47.98556 | -106.94861 |
| Do Reservoir | Valley | 48.02694 | -106.83306 |
| Dodge Reservoir | Valley | 48.87278 | -106.725 |
| Dog Creek Reservoir | Valley | 47.98694 | -106.83472 |
| Doggett Reservoir | Meagher | 46.67056 | -111.22583 |
| Don Reservoir | Valley | 48.57167 | -106.92333 |
| Donald Reservoir | Rosebud | 46.54278 | -106.14222 |
| Doney Lake | Powell | 46.44778 | -112.95389 |
| Donley Reservoir | Rosebud | 46.45833 | -106.93 |
| Donleys Reservoir | Rosebud | 46.4575 | -106.92917 |
| Dont Reservoir | Valley | 48.02694 | -106.80806 |
| Double Crossing Reservoir | Valley | 47.98694 | -107.05389 |
| Double Reservoir | Valley | 47.87194 | -106.78722 |
| Doubtful Reservoir | Madison | 45.13944 | -111.8375 |
| Down Reservoir | Blaine | 48.52361 | -108.34889 |
| Drabbels Reservoir | Phillips | 48.29278 | -107.76889 |
| Dreyer Reservoir | McCone | 47.53833 | -105.935 |
| Dreyer Reservoir Number 2 | McCone | 47.55333 | -105.95167 |
| Drop Tube Reservoir | Powder River | 45.3925 | -106.1725 |
| Dry Creek-Krezelok Reservoir | Lewis and Clark | 47.45 | -112.21333 |
| Dry Fork Reservoir | Chouteau | 48.28806 | -109.88278 |
| Dry Lake Reservoir | Phillips | 47.66139 | -108.18667 |
| Dubbe Reservoir | Valley | 48.13472 | -106.0075 |
| Duck Creek Reservoir | Valley | 47.79528 | -106.92222 |
| Duet Reservoir | Valley | 48.11139 | -106.81861 |
| Duffy Lake | Ravalli | 46.6425 | -114.25667 |
| Dugout Reservoir | Carter | 45.91694 | -104.81861 |
| Dunkirk Reservoir | Toole | 48.48861 | -111.66583 |
| Dunning Reservoir | Powder River | 45.21417 | -105.86861 |
| Dusky Reservoir | Phillips | 47.82722 | -108.21333 |
| E-B Reservoir | Carter | 45.675 | -104.26972 |
| East Fork Beaver Creek Reservoir | Hill | 48.17333 | -109.63667 |
| East Fork Reservoir | Granite | 46.13083 | -113.38028 |
| Ed McIntyre Reservoir | Toole | 48.46333 | -111.97667 |
| Edith Reservoir | Rosebud | 45.36333 | -106.32361 |
| Eighteen Reservoir | Valley | 47.92667 | -106.87139 |
| Eightmile Springs | Chouteau | 47.81056 | -110.83444 |
| Elizabeth Reservoir | Cascade | 47.37333 | -111.69972 |
| Elk Creek Reservoir Number One | Powder River | 45.36806 | -105.92667 |
| Elk Creek Reservoir Number Three | Powder River | 45.37 | -106.1125 |
| Elk Creek Reservoir Number Two | Powder River | 45.36417 | -106.09611 |
| Elk Ridge Reservoir | Powder River | 45.67889 | -105.82 |
| Emory Reservoir | Valley | 48.61083 | -106.91028 |
| Erickson Reservoir | Powder River | 45.43167 | -106.03944 |
| Estler Lake | Beaverhead | 45.37167 | -112.97222 |
| Ethel Reservoir | Phillips | 48.95833 | -107.60861 |
| Etta Reservoir | Carter | 45.65694 | -104.24111 |
| Eureka Reservoir | Teton | 45.16167 | -105.66667 |
| Evans Reservoir | Carter | 45.95556 | -104.82833 |
| Experimental Pasture Reservoir | Rosebud | 45.31333 | -106.31472 |
| Express Reservoir | Phillips | 47.76861 | -108.15194 |
| Eyraud Lakes | Teton | 48.99333 | -112.02 |
| Ezekial Reservoir | Garfield | 47.2075 | -107.83889 |
| Ezwkial Number One Reservoir | Garfield | 47.21694 | -107.88417 |
| Faber Reservoir | Blaine | 48.26333 | -109.13556 |
| Factory Lake | Richland | 47.71333 | -104.12611 |
| Far-Nuff Reservoir | Valley | 48.19667 | -107.20278 |
| Farm Pond | Phillips | 48.41778 | -107.65889 |
| Farmers Reservoir | Teton | 47.92056 | -112.36556 |
| Fields Reservoir | Rosebud | 45.69889 | -106.37722 |
| Fifteenmile Reservoir Number One | Powder River | 45.39167 | -106.09639 |
| Fifteenmile Reservoir Number Two | Powder River | 45.39444 | -106.1075 |
| Finn Reservoir | Valley | 47.935 | -107.21611 |
| First Creek Reservoir | Phillips | 47.87639 | -107.77583 |
| Fish Lake | Ravalli | 46.09833 | -114.45333 |
| Fish Reservoir | Beaverhead | 44.74833 | -111.945 |
| Fisher Lake | Granite | 46.30806 | -113.10139 |
| Fisher Reservoir | Garfield | 47.41861 | -106.44778 |
| Fisherman Dan Reservoir | Rosebud | 46.44861 | -106.3625 |
| Five Point Reservoir | Valley | 47.90139 | -106.64639 |
| Five Reservoir | Valley | 47.955 | -106.99389 |
| Fjeldheim Reservoir | Phillips | 48.77361 | -107.39639 |
| Flagstaff Reservoir | Meagher | 46.54778 | -110.52556 |
| Flat Drop Reservoir | Valley | 47.98306 | -106.75333 |
| Flat Reservoir | Carter | 45.78056 | -104.19667 |
| Flat Top Reservoir | Fergus | 47.62139 | -108.78556 |
| Flathead Lake | Lake | 47.67667 | -114.23333 |
| Fletcher Reservoir | Powder River | 45.20361 | -106.13667 |
| Flick Lake | Chouteau | 47.71944 | -111.21861 |
| Florence Reservoir | Valley | 48.52611 | -107.09639 |
| Fly Creek Reservoir | Powder River | 45.56444 | -105.93694 |
| Fork Reservoir | Garfield | 47.44528 | -106.41 |
| Forks Reservoir | Dawson | 46.88722 | -104.65722 |
| Forrest Reservoir | Valley | 47.89111 | -106.9525 |
| Forsgreen Reservoir | Powder River | 45.2825 | -105.4125 |
| Forsman Reservoir | Valley | 48.59472 | -106.71417 |
| Fort Peck Lake | McCone | 48.00278 | -106.41556 |
| Fort Peck Trout Pond | Valley | 48.05472 | -106.44111 |
| Four Horns Lake | Glacier | 48.34333 | -112.695 |
| Four O'Clock Reservoir | Blaine | 48.02056 | -109.1925 |
| Four Reservoir | Valley | 47.95222 | -106.95972 |
| Fourteen Reservoir | Garfield | 46.88444 | -107.01083 |
| Fowler Reservoir | Phillips | 47.6675 | -107.7975 |
| Fox Reservoir | Wheatland | 46.38639 | -110.07417 |
| Frazer Lake | Valley | 48.05306 | -106.03222 |
| Fred Burr Lake | Ravalli | 46.32944 | -114.41639 |
| Fred Burr Reservoir | Ravalli | 46.3575 | -114.31639 |
| Frenchman Reservoir | Phillips | 48.69444 | -107.23806 |
| Fresno Reservoir | Hill | 48.60139 | -109.94361 |
| Gagena Reservoir | Dawson | 46.89111 | -104.52111 |
| Gagnon Reservoir | Liberty | 48.38111 | -110.98583 |
| Game Reservoir | McCone | 47.82389 | -106.09861 |
| Garr Reservoir | Powder River | 45.33694 | -105.49889 |
| Gartside Lake | Richland | 47.585 | -104.27 |
| Gartside Reservoir | Richland | 47.58528 | -104.27083 |
| Gaskill Reservoir | Powder River | 45.58806 | -106.07333 |
| Gauge Reservoir | Valley | 48.00028 | -106.77222 |
| Gene Creek Reservoir | Powder River | 45.45 | -106.20556 |
| Georgetown Lake | Granite | 46.21528 | -113.27972 |
| Gergen Reservoir | Carter | 45.59194 | -104.24444 |
| Gibson Reservoir | Lewis and Clark | 47.60139 | -112.76028 |
| Gipsy Lake | Meagher | 46.50333 | -111.21 |
| Glacier Lake | Carbon | 45.00806 | -109.53944 |
| Glass Lindsay Lakes Lower Reservoir | Sweet Grass | 46 | -109.835 |
| Gleason Lake | Ravalli | 46.29917 | -113.89611 |
| Glen Reservoir | Valley | 47.91528 | -106.73194 |
| Goat Lake | Powell | 46.33139 | -113.01722 |
| Goeddertz Reservoir | Toole | 48.74833 | -111.95333 |
| Gold Creek Lake | Granite | 46.44167 | -113.05833 |
| Goldberg Reservoir | Granite | 46.50083 | -113.06944 |
| Gollaher Reservoir | Cascade | 47.22194 | -111.61972 |
| Goodspeed Draw Reservoir | Powder River | 45.29889 | -106.05306 |
| Goose Island Pond | Phillips | 48.36583 | -107.6825 |
| Goose Island Reservoir | McCone | 47.82472 | -106.06667 |
| Gordon Reservoir | Valley | 48.06528 | -106.92222 |
| Government Field Reservoir | Phillips | 48.08278 | -108.38 |
| Grag Reservoir | Phillips | 48.90889 | -107.49194 |
| Grant Reservoir | Prairie | 46.87278 | -105.64556 |
| Grass Reservoir | Hill | 48.31639 | -110.08083 |
| Grasshopper Reservoir | Blaine | 48.41722 | -109.28167 |
| Grassy Lake | Hill | 48.85028 | -109.80611 |
| Gravel Pit Reservoir | Carter | 45.63222 | -104.0675 |
| Gravelly Range Lake | Lewis and Clark | 46.835 | -112.37333 |
| Great Northern Reservoir | Liberty | 48.51833 | -110.95944 |
| Green Creek Reservoir | Rosebud | 45.39056 | -106.30778 |
| Green Lake | Granite | 46.28667 | -113.07833 |
| Grimes Reservoir | Valley | 48.95694 | -107.14333 |
| Groh Stock Reservoir | McCone | 47.44 | -105.73833 |
| Gros Ventre Reservoir | Carter | 45.67611 | -104.55278 |
| Grub Detention Reservoir | Valley | 48.04333 | -106.90806 |
| Guesanborn Reservoir | Garfield | 47.04167 | -107.14667 |
| Gullwing Reservoir | Phillips | 47.72056 | -108.45972 |
| Gumbo Reservoir | Garfield | 47.43639 | -106.49056 |
| Gutshot Detention Reservoir | Valley | 47.95944 | -106.93 |
| Hailstone Lake | Stillwater | 46 | -109.17833 |
| Hailstone Reservoir | Powder River | 45.21667 | -105.88778 |
| Haines Reservoir | Treasure | 46.23917 | -107.08694 |
| Half Barrel Reservoir | Valley | 47.865 | -106.975 |
| Halfway Reservoir | Big Horn | 45.16194 | -107.35056 |
| Hall Reservoir | Custer | 46.51472 | -105.75583 |
| Hamen Reservoir | Meagher | 46.30611 | -110.70889 |
| Hamilton Draw Reservoir | Rosebud | 45.22472 | -106.3525 |
| Hamlick Reservoir | Custer | 46.76694 | -105.8825 |
| Hamms Reservoir | Valley | 48.10889 | -107.08611 |
| Hanic Reservoir | Powder River | 45.58028 | -106.0125 |
| Hanson Reservoir | Meagher | 46.53833 | -111.03167 |
| Happy Coulee Reservoir | Powder River | 45.16056 | -106.13333 |
| Happy Gang Reservoir | Phillips | 47.80167 | -108.235 |
| Harbolt Reservoir | Blaine | 48.83528 | -109.07333 |
| Hardpan Reservoir | Valley | 48.03333 | -106.91472 |
| Harmon Reservoir | Roosevelt | 48.09167 | -104.25667 |
| Harri Reservoir | Fergus | 47.43083 | -108.56694 |
| Harvey Lake | Teton | 47.92833 | -112.39667 |
| Hauser Lake | Lewis and Clark | 46.76472 | -111.88611 |
| Hay Creek Reservoir | Custer | 46.46472 | -106.70444 |
| Haynie Reservoir | McCone | 47.57694 | -105.71194 |
| Haywood Reservoir | Rosebud | 45.24611 | -106.37694 |
| Hazel Reservoir | Powder River | 45.22611 | -105.92222 |
| Headman-Field Reservoir | Petroleum | 47.515 | -108.03639 |
| Hebgen Lake | Gallatin | 44.86389 | -111.33444 |
| Hebgen Reservoir | Gallatin | 44.865 | -111.34667 |
| Hedstrom Lake | McCone | 47.21861 | -106.11167 |
| Helena Valley Regulating Reservoir | Lewis and Clark | 46.64139 | -111.88194 |
| Helena Valley Reservoir | Lewis and Clark | 46.64167 | -111.885 |
| Hell Gate Reservoir | McCone | 47.79611 | -106.05278 |
| Hellroaring Reservoir | Lake | 47.70833 | -114.015 |
| Hen Reservoir | Valley | 47.87833 | -106.93889 |
| Herman Reservoir | Carter | 45.75333 | -104.16806 |
| Hertzler Reservoir | Rosebud | 45.24972 | -106.36167 |
| Hewitt Lake | Phillips | 48.53944 | -107.58222 |
| Higgins Reservoir | Meagher | 46.29333 | -110.73917 |
| High Lake | Ravalli | 46.25667 | -114.36167 |
| High Moon Reservoir | Valley | 47.88 | -107.32694 |
| High Service Reservoir | Silver Bow | 46.03583 | -112.54444 |
| Hill Reservoir | Madison | 45.54083 | -112.03861 |
| Hillside Reservoir | Lake | 47.40417 | -114.25306 |
| Hilo Reservoir | Phillips | 48.98222 | -107.67917 |
| Hint Reservoirs | Powder River | 45.52028 | -105.89417 |
| Hirschy Reservoir | Beaverhead | 45.53833 | -113.62167 |
| Hollandsworth Reservoir | Liberty | 48.185 | -111.355 |
| Hollecker Lake | Dawson | 47.12917 | -104.72667 |
| Hollecker Reservoir | Dawson | 47.13 | -104.72667 |
| Holloway Lake | Ravalli | 46.63639 | -114.26139 |
| Holm Reservoir | Blaine | 48.83333 | -109.43333 |
| Holter Lake | Lewis and Clark | 46.99139 | -112.00417 |
| Holzhey Reservoir | Phillips | 47.90333 | -108.075 |
| Hondu Reservoir | Powder River | 45.34 | -105.46444 |
| Hoover Reservoir | Rosebud | 45.19528 | -106.29361 |
| Horace Reservoir | Valley | 48.22222 | -107.1425 |
| Horgan Reservoir | Valley | 48.21167 | -106.00167 |
| Horse Creek Basin Reservoir | Rosebud | 45.30028 | -106.27861 |
| Horse Killer Reservoir | Carter | 45.72194 | -104.25639 |
| Horse Pasture Reservoir | Powder River | 45.70167 | -105.99639 |
| Horse Reservoir | Prairie | 46.57139 | -104.95278 |
| Horte Reservoir | Lake | 47.53806 | -114.26972 |
| Horton Reservoir | Treasure | 46.2725 | -107.56778 |
| Hound Creek Reservoir | Cascade | 47.00917 | -111.69083 |
| Hoverson Reservoir | Phillips | 47.79056 | -108.17306 |
| Howard Reservoir | Powder River | 45.38889 | -106.01861 |
| Howes Reservoir | Powder River | 45.23861 | -106.09528 |
| Hudiburgh Reservoir | McCone | 47.63167 | -105.54 |
| Hump Reservoir | Valley | 48.11528 | -106.80472 |
| Hungry Horse Reservoir | Flathead | 48.34194 | -114.01167 |
| Hunter Creek Reservoir | Prairie | 46.75194 | -105.59583 |
| Hunters Reservoir | Carbon | 45.07167 | -108.84694 |
| Hurricane Reservoir | Valley | 48.08722 | -107.10306 |
| Hyalite Reservoir | Gallatin | 45.48833 | -110.97833 |
| Indian Creek Reservoir Number One | Powder River | 45.18833 | -105.93222 |
| Indian Creek Reservoir Number Two | Powder River | 45.19528 | -105.95944 |
| Innes Reservoir | Prairie | 46.94 | -105.40278 |
| Itcaina Reservoir | Valley | 48.00917 | -106.97722 |
| J D Reservoir | Phillips | 47.79833 | -108.56306 |
| J Lake | Blaine | 48.30167 | -108.63833 |
| J Oliver Reservoir | Carter | 45.20667 | -104.21 |
| Jack Downs Reservoir | Dawson | 47.175 | -105.11 |
| Jack Rabbit Reservoir | Valley | 48.03944 | -106.71611 |
| Jack Reservoir | Valley | 48.61028 | -106.85278 |
| Jackson Lake | Madison | 45.58167 | -112.01833 |
| Jade Reservoir | Garfield | 47.51889 | -106.98056 |
| Jakes Reservoir | Fergus | 47.50778 | -108.62194 |
| Jan Reservoir | Valley | 48.05944 | -106.81028 |
| January Reservoir | Valley | 48.08028 | -106.75833 |
| Jay Reservoir | Carter | 45.61917 | -104.26194 |
| Jays Reservoir | McCone | 47.83389 | -106.09444 |
| Jellison Reservoir | Wheatland | 46.66167 | -110.06111 |
| Jessup Mill Pond | Flathead | 48.19889 | -114.10806 |
| Jim Judisch Reservoir | Toole | 48.315 | -111.62833 |
| Jim Reservoir | Valley | 48.02583 | -107.06306 |
| Jocko Lake | Missoula | 47.20333 | -113.76 |
| John Ball Reservoir | McCone | 47.72167 | -106.13833 |
| John Gold Reservoir | Powder River | 45.69583 | -105.82361 |
| John Lane Reservoir | Teton | 47.78 | -112.60833 |
| John Reservoir | Valley | 48.02472 | -107.14722 |
| Jones Reservoir | Carbon | 45.07389 | -108.81111 |
| Jordan Reservoir | Fergus | 47.44167 | -108.63389 |
| Juniper Reservoir | Blaine | 47.88472 | -109.11083 |
| Kachia Reservoir | Fergus | 47.39139 | -108.58056 |
| Kaulitski Reservoir | Valley | 48.055 | -106.96694 |
| Keeland Reservoir | Dawson | 47.645 | -105.02472 |
| Keeney Reservoir | Valley | 48.12278 | -106.86111 |
| Keep Cool Reservoir | Meagher | 46.68194 | -111.24583 |
| Kelley Reservoir | Beaverhead | 45.32778 | -112.94389 |
| Kelly Reservoir | Beaverhead | 45.32667 | -112.945 |
| Kerney Reservoir | Valley | 48.12222 | -106.86083 |
| Kerns Lake | Powell | 46.40083 | -112.84361 |
| Kerns Reservoir | Rosebud | 46.635 | -107.035 |
| Keystone Reservoir | Beaverhead | 44.82972 | -113.02583 |
| Kicking Horse Reservoir | Lake | 47.45389 | -114.07667 |
| Kickinghorse Reservoir | Lake | 47.455 | -114.075 |
| Kiemle Reservoir | Hill | 48.41 | -110.01167 |
| Killenbeck Lake | Daniels | 48.86 | -105.72833 |
| Killenbeck Reservoir | Daniels | 48.86417 | -105.72361 |
| King Creek Reservoir | Rosebud | 45.47028 | -106.28972 |
| King Reservoir | Phillips | 47.84611 | -107.85528 |
| Kipps Lake | Glacier | 48.56667 | -112.845 |
| Knob Reservoir | Valley | 48.05639 | -106.98889 |
| Kohola Reservoir | Phillips | 48.99222 | -107.62639 |
| Korman Reservoir | Valley | 48.05333 | -107.33306 |
| Kosier Reservoir | Fergus | 47.40472 | -108.63583 |
| Kreger Reservoir | Rosebud | 46.83778 | -106.13056 |
| Krieder Reservoir | Garfield | 47.095 | -107.48111 |
| Kueffer Reservoir | Powder River | 45.225 | -105.97861 |
| Kuester Lake | Richland | 47.69111 | -104.96861 |
| L O Reservoir | Carter | 45.78833 | -104.16222 |
| L/W Reservoir | Carter | 45.74639 | -104.20278 |
| Lake Adam Upper Reservoir | Sweet Grass | 46.06167 | -109.805 |
| Lake Agnes | Beaverhead | 45.51667 | -112.835 |
| Lake Baker | Fallon | 46.36833 | -104.27167 |
| Lake Como | Ravalli | 46.06528 | -114.235 |
| Lake Elwell | Liberty | 48.32222 | -111.09583 |
| Lake Ennis | Madison | 45.47 | -111.65333 |
| Lake Fort Peck | McCone | 48 | -106.41667 |
| Lake Frances | Pondera | 48.3 | -112.28333 |
| Lake Francis | Pondera | 48.26333 | -112.20667 |
| Lake Helena | Lewis and Clark | 46.70278 | -111.90111 |
| Lake Koocanusa | Lincoln | 48.41167 | -115.30833 |
| Lake Mason | Musselshell | 46.54556 | -108.65389 |
| Lake PR-19 | Phillips | 47.97306 | -107.51861 |
| Lake Reservoir | Phillips | 47.72 | -108.195 |
| Lake Shel-oole | Toole | 48.52556 | -111.85278 |
| Lake Sherburne | Glacier | 48.82833 | -113.52028 |
| Lake Sutherlin | Meagher | 46.62167 | -110.74639 |
| Lamesteer Reservoir | Wibaux | 46.8 | -104.15667 |
| Lampkin Gulch Reservoir | Carter | 45.73778 | -104.2575 |
| Langen Reservoir | Valley | 47.99583 | -106.66944 |
| Larsens Reservoir | Treasure | 46.275 | -107.53417 |
| Last Chance Reservoir | Powder River | 45.37667 | -106.2125 |
| Lavold Reservoir | Sweet Grass | 45.95556 | -109.8875 |
| Leaky Reservoir | McCone | 47.4975 | -106.16389 |
| Lebo Lake | Wheatland | 46.32056 | -110.03167 |
| Lee Creek Reservoir | Rosebud | 45.22667 | -106.30889 |
| Lei Reservoir | Rosebud | 45.25222 | -106.33028 |
| LeNoir Reservoir | Phillips | 48.33556 | -107.62139 |
| Lester Reservoir | Phillips | 48.98028 | -107.51167 |
| Lewis Reservoir | Valley | 47.98444 | -106.68139 |
| Lima Reservoir | Beaverhead | 44.65694 | -112.36833 |
| Liming Reservoir | Big Horn | 45.21389 | -107.30861 |
| Lincoln Reservoir | Fergus | 47.37528 | -108.70417 |
| Lindsay Reservoir | Dawson | 47.2175 | -105.15083 |
| Lindsey Reservoir | Carter | 45.55722 | -104.08444 |
| Lion Lake | Flathead | 48.36833 | -114.03 |
| Little Bitterroot Lake | Flathead | 48.09333 | -114.69667 |
| Little Britches Reservoir | Carter | 45.94194 | -104.84028 |
| Little Garrison Reservoir | Prairie | 46.85944 | -104.61583 |
| Little Pozega Lake | Granite | 46.27833 | -113.07361 |
| Little Warm Reservoir | Phillips | 48.06917 | -108.14611 |
| Loblolly Reservoir | Valley | 47.92083 | -107.36917 |
| Lode Reservoir | Wheatland | 46.55417 | -109.85222 |
| Lodge Grass Reservoir | Big Horn | 45.16667 | -107.6 |
| Lodge Grass Storage Reservoir | Big Horn | 45.16389 | -107.59639 |
| Logging Creek Reservoir | Powder River | 45.55861 | -105.91056 |
| Lohman Reservoir | Hill | 48.65833 | -109.76 |
| Lois Lake | Powell | 46.65083 | -112.48222 |
| Lone Tree Reservoir | Valley | 48.02583 | -106.93778 |
| Lone Tree Reservoir Number One | Carter | 45.67111 | -104.53861 |
| Lone Tree Reservoir Number Two | Carter | 45.65944 | -104.55778 |
| Lonely Night Reservoir | Valley | 48.10833 | -106.90028 |
| Long Reservoir | Carter | 45.66667 | -104.51139 |
| Longs Reservoir | Dawson | 47.64111 | -105.0175 |
| Lori Detention Reservoir | Valley | 47.91056 | -106.83167 |
| Lost Creek Reservoir | Powder River | 45.2275 | -106.24083 |
| Lost McMenomey Reservoir | Valley | 47.88556 | -106.70889 |
| Louie Reservoir | Phillips | 48.85972 | -107.44722 |
| Love Reservoir | Custer | 45.895 | -105.15833 |
| Lower Blacktail Reservoir | Rosebud | 46.63333 | -107.06861 |
| Lower Bowman Lake | Powell | 46.31333 | -113.02333 |
| Lower Branham Lake | Madison | 45.51333 | -111.99167 |
| Lower Coal Creek Reservoir | Powder River | 45.58389 | -106.15306 |
| Lower Crow Reservoir | Lake | 47.50278 | -114.2275 |
| Lower Elliot Lake | Powell | 46.33722 | -112.99722 |
| Lower Hansen Reservoir | Blaine | 48.12472 | -109.17111 |
| Lower Indian Creek Reservoir | Big Horn | 45.2725 | -107.01278 |
| Lower Lake of Twin Lakes | Missoula | 47.00833 | -113.91 |
| Lower Lone Tree Reservoir | Valley | 47.95056 | -106.90361 |
| Lower Taylor Reservoir | Powell | 46.40778 | -112.82583 |
| Lower Twin Lake | Ravalli | 46.15333 | -114.495 |
| Lower Two Medicine Reservoir | Glacier | 48.49333 | -113.26667 |
| Lower Wilbur Reservoir | Powder River | 45.59083 | -105.96472 |
| Lower Willow Creek Reservoir | Granite | 46.55944 | -113.31389 |
| Lucas Reservoir | Meagher | 46.27333 | -110.69833 |
| Lunch Reservoir | Valley | 48.12361 | -106.78806 |
| Lush Reservoir | Valley | 47.94806 | -106.87972 |
| Luther Reservoir | Valley | 48.27 | -107.15917 |
| Lyman Creek Reservoir | Gallatin | 45.71472 | -111.00167 |
| Lynn Reservoir | Powell | 47.09389 | -113.2425 |
| Lyon Creek Divide Reservoir | Powder River | 45.31444 | -105.97167 |
| M Ratzburg Reservoir | Toole | 48.25 | -111.62833 |
| MacHale Reservoir | Toole | 48.8 | -111.4 |
| Magruder Reservoir | Valley | 47.84972 | -106.84722 |
| Mahan and Hoyt Reservoir | Valley | 48.19222 | -106.73861 |
| Mail Reservoir | Valley | 48.58806 | -106.85583 |
| Main Ash Reservoir | Powder River | 45.68611 | -106.12417 |
| Malkuch Reservoir | Dawson | 47.165 | -105.315 |
| Manning Corral Reservoir | Phillips | 47.68083 | -108.44778 |
| Martin And C Bar J Reservoir | Wheatland | 46.31806 | -110.13694 |
| Martin Lake | Phillips | 48.79194 | -107.91139 |
| Martinsdale Reservoir | Meagher | 46.45194 | -110.26694 |
| Mary Black Reservoir | Valley | 48.58889 | -106.89556 |
| Mary Reservoir | Phillips | 47.62167 | -107.77722 |
| Mason Lake | Madison | 45.6275 | -111.99194 |
| Mason Reservoir | Powder River | 45.26 | -105.88 |
| Maverick Reservoir | Valley | 47.885 | -106.85528 |
| Mc Kee Reservoir | Valley | 47.88806 | -107.33583 |
| McCarter Lake | Toole | 48.51167 | -111.40167 |
| McChesney Reservoir | Phillips | 47.76444 | -108.50194 |
| McClure Reservoir | Prairie | 46.87167 | -105.51111 |
| McCuin Reservoir | Valley | 48.02583 | -107.32167 |
| McDonald Lake | Lake | 47.42667 | -113.99167 |
| McFarland Reservoir | Custer | 46.49917 | -105.51722 |
| McGlynn Reservoir | Richland | 47.66333 | -104.07333 |
| McIntyre Reservoir | Toole | 48.475 | -111.30444 |
| McKinnsey Reservoir | Hill | 48.79389 | -110.49139 |
| McKrone Reservoir | Garfield | 47.49417 | -107.03028 |
| McLaren Reservoir | Blaine | 48.81167 | -109.42167 |
| McLatchy Reservoir | Powder River | 45.49861 | -106.04833 |
| McLean Reservoir | Hill | 48.86361 | -109.78222 |
| McWilliams Reservoir | Garfield | 46.955 | -106.41833 |
| Meadow Lake | Gallatin | 45.08667 | -111.295 |
| Medicine Lake | Sheridan | 48.47694 | -104.50889 |
| Melcott Reservoir | Toole | 48.49139 | -111.72639 |
| Middle Bowman Lake | Powell | 46.31667 | -113.02667 |
| Middle Creek Lake | Cascade | 46.93917 | -111.67889 |
| Middle Fork Reservoir | Wheatland | 46.65361 | -110.08639 |
| Middle Reservoir | Valley | 48.46333 | -106.4225 |
| Mike Horse | Lewis and Clark | 47.02833 | -112.35333 |
| Mill Lake | Ravalli | 46.2975 | -114.41972 |
| Miller Draw Reservoir | Powder River | 45.17111 | -106.15444 |
| Miller Lake | Powell | 46.67417 | -112.96361 |
| Miller Reservoir | Madison | 45.6525 | -112.27583 |
| Milliron Reservoir Number 1 | Dawson | 47.17278 | -104.41528 |
| Milliron Reservoir Number 2 | Dawson | 47.15333 | -104.39889 |
| Milltown Reservoir | Missoula | 46.87167 | -113.89167 |
| Mission Lake | Glacier | 48.56667 | -112.59667 |
| Mission Reservoir | Lake | 47.31444 | -114.01889 |
| Mobray Reservoir Number 2 | Carter | 45.70806 | -104.18556 |
| Mobray Reservoir Number 3 | Carter | 45.70917 | -104.18944 |
| Moccasin Reservoir | Valley | 48.09111 | -107.1075 |
| Monroe Reservoir | Carbon | 45.11333 | -109.04944 |
| Monster Reservoir | Phillips | 47.72889 | -108.23167 |
| Moody Reservoir | Powder River | 45.46917 | -105.02028 |
| Morgan Creek Reservoir | Custer | 46.035 | -105.16972 |
| Morgan Jones Lake | Beaverhead | 45.55194 | -113.80222 |
| Morgan Reservoir | Phillips | 48.86417 | -107.22556 |
| Morony Reservoir | Cascade | 47.58167 | -111.06 |
| Morris Reservoir | Powder River | 45.13111 | -106.13139 |
| Mosquito Reservoir | Valley | 47.99833 | -106.98 |
| Moulton Distribution Reservoir | Silver Bow | 46.03722 | -112.53361 |
| Moulton Reservoir | Silver Bow | 46.09 | -112.00833 |
| Moulton Reservoir Number 2 | Silver Bow | 46.08806 | -112.4825 |
| Moulton Reservoir Number One | Silver Bow | 46.09 | -112.50806 |
| Mountain Ben Lake | Powell | 46.33444 | -113.02611 |
| Mud Lake | Garfield | 46.885 | -106.96361 |
| Mud Run Reservoir | Valley | 48.00944 | -106.63528 |
| Mud Turtle Reservoir | Powder River | 45.28111 | -105.97028 |
| Mullory Reservoir | Garfield | 47.43528 | -106.44278 |
| Murnions Reservoir | Garfield | 47.33833 | -106.53667 |
| Mussigbrod Lake | Beaverhead | 45.79167 | -113.61 |
| Mystic Lake | Gallatin | 45.54 | -110.91833 |
| Necessity Reservoir | Powder River | 45.61 | -106.01111 |
| Needle Butte Reservoir | Rosebud | 46.78417 | -106.64278 |
| Neihart Reservoir | Cascade | 46.91472 | -110.73139 |
| Neil Reservoir | Valley | 47.89778 | -106.77167 |
| Nelson Reservoir | Madison | 45.64556 | -112.28444 |
| Nerve Reservoir | Phillips | 48.8925 | -107.56639 |
| Nevada Lake | Powell | 46.80306 | -112.80944 |
| Newberry Flat Reservoir | Valley | 48.575 | -106.79972 |
| Newell Creek Reservoir | Rosebud | 45.47306 | -106.22056 |
| Newhouse Reservoir | Blaine | 48.28056 | -108.98028 |
| Newlan Creek Reservoir | Meagher | 46.63694 | -110.93694 |
| Newton Reservoir | Valley | 48.01917 | -106.65944 |
| Nilan Reservoir | Lewis and Clark | 47.47417 | -112.51639 |
| Ninepipe Reservoir | Lake | 47.45528 | -114.13611 |
| No Man Lake | Madison | 45.07 | -111.49028 |
| Noble Lake | Madison | 45.57833 | -112.07333 |
| Noble Reservoir | Custer | 46.535 | -105.7625 |
| North Beaver Reservoir | Valley | 48.13056 | -107.11111 |
| North Chinook Reservoir | Blaine | 48.76667 | -109.31417 |
| Northern Pacific Reservoir | Jefferson | 46.55167 | -111.9 |
| Noxon Reservoir | Sanders | 47.9625 | -115.73167 |
| Number Twenty Reservoir | Phillips | 47.78889 | -107.7975 |
| O'Dell Coulee Reservoir | McCone | 47.89417 | -105.7 |
| O'Dell Reservoir | Rosebud | 45.33028 | -106.34194 |
| O'Juel Lake | Valley | 48.79611 | -106.59861 |
| Obermayer Lake | Lincoln | 48.81667 | -115.72194 |
| Oil Well Reservoir | Powder River | 45.64472 | -105.98806 |
| Ola Reservoir | Valley | 48.1025 | -106.78667 |
| Old Cooper Reservoir | Gallatin | 45.56333 | -110.86528 |
| Old Dog Creek Reservoir | Valley | 47.98083 | -106.75611 |
| Old Lake | Garfield | 46.88806 | -106.93611 |
| Old Woman Reservoir | Blaine | 48.30417 | -108.68472 |
| Olson Reservoir | Valley | 48.01028 | -106.76889 |
| Ovens Reservoir | Toole | 48.39 | -111.77 |
| Overnight Reservoir | Beaverhead | 45.32778 | -112.72472 |
| Pablo Reservoir | Lake | 47.63889 | -114.14111 |
| Paget Reservoir Number One | Powder River | 45.38833 | -106.20444 |
| Paget Reservoir Number Three | Powder River | 45.35389 | -106.21056 |
| Paget Reservoir Number Two | Powder River | 45.38333 | -106.16667 |
| Painted Rocks Lake | Ravalli | 45.71833 | -114.28 |
| Palea Reservoir | Phillips | 48.985 | -107.65083 |
| Paleface Reservoir | Phillips | 47.73778 | -108.40472 |
| Panton Coulee Reservoir | Chouteau | 47.60306 | -110.14556 |
| Papps Reservoir | Prairie | 46.94 | -105.49083 |
| Park Lake | Jefferson | 46.44472 | -112.1725 |
| Parsell Lake | Toole | 48.845 | -111.43333 |
| Partnership Reservoir | Phillips | 48.16806 | -108.0225 |
| Patrol Road Pond | Phillips | 48.38139 | -107.72056 |
| Paul Reservoir | Valley | 47.91778 | -106.67389 |
| Pear Lake | Beaverhead | 45.425 | -112.99167 |
| Pearl Reservoir | Phillips | 47.77167 | -108.56944 |
| Pearson Reservoir | Flathead | 48.08972 | -114.87722 |
| Pentecost Reservoir | Carter | 45.38361 | -104.96194 |
| Pep Reservoir | Phillips | 47.75556 | -108.27389 |
| Petrolia Lake | Petroleum | 46.93528 | -108.24333 |
| Phillippi Reservoir | Carter | 45.32528 | -104.82194 |
| Phillips Reservoir | Phillips | 47.82639 | -108.63333 |
| Picard Reservoir | Roosevelt | 48.30333 | -104.12 |
| Pierce Reservoir | Powder River | 45.28583 | -105.95444 |
| Pine Hill Reservoir | Custer | 46.17028 | -105.62917 |
| Pine Hills Reservoir | Custer | 46.17167 | -105.63167 |
| Pines Reservoir | Valley | 47.94278 | -106.75639 |
| Pippin Reservoir | Valley | 48.20389 | -107.22306 |
| Pirate Lake | Chouteau | 47.475 | -110.71 |
| Pishkun Reservoir | Teton | 47.67667 | -112.49389 |
| Plum Creek Reservoir | Powder River | 45.19194 | -105.86778 |
| Plum Reservoir | Phillips | 48.63472 | -107.67139 |
| Plunket Lake | Broadwater | 46.07806 | -111.57806 |
| Point of Rocks Reservoir | Phillips | 48.35667 | -108.19056 |
| Poker Jim Reservoir | Rosebud | 45.30083 | -106.34139 |
| Poker Jim Reservoir Number Two | Rosebud | 45.325 | -106.385 |
| Poker Teechee Reservoir | Rosebud | 45.38194 | -106.36528 |
| Post Reservoir | Valley | 47.86472 | -106.89861 |
| Pot Hole Reservoir | Carter | 45.62333 | -104.13722 |
| Potts Reservoir | Liberty | 48.48611 | -111.00222 |
| Powell Reservoirs | Powell | 46.35361 | -112.85222 |
| PR 40 Reservoir | Phillips | 48.43667 | -107.44083 |
| Prairie Goat Reservoir | Dawson | 46.89556 | -104.63639 |
| Prairie Reservoir | Valley | 47.86306 | -106.91028 |
| Prescott Reservoir | Hill | 48.615 | -110.64333 |
| Prevost Reservoir Number 2 | Richland | 47.72667 | -104.50167 |
| Price Reservoir | Powder River | 45.34361 | -106.06278 |
| Private Reservoir | Phillips | 47.76556 | -108.28833 |
| Prtrolla Lake | Petroleum | 46.94 | -108.24167 |
| Puckett Reservoir | Phillips | 48.00611 | -107.83417 |
| Pugsley Reservoir | Liberty | 48.25861 | -111.02333 |
| Putnam Lake | Blaine | 48.16056 | -108.94139 |
| Quick Reservoir | McCone | 47.33528 | -105.51528 |
| Racetrack Lake | Granite | 46.30167 | -113.13167 |
| Rain Reservoir | Valley | 48.005 | -106.81111 |
| Rattlesnake Reservoir | Yellowstone | 45.89611 | -108.425 |
| Reanus Reservoir | Powder River | 45.19472 | -106.08722 |
| Reavis Reservoir | Rosebud | 45.26806 | -106.35417 |
| Red Rock Reservoir Number One | Rosebud | 45.29667 | -106.32556 |
| Red Rock Reservoir Number Two | Rosebud | 45.295 | -106.29833 |
| Redeen | Rosebud | 46.61333 | -106.60667 |
| Rednose Reservoir | Big Horn | 45.53611 | -106.99056 |
| Reservoir Lake | Beaverhead | 45.12306 | -113.45083 |
| Reservoir Number D-Seven | Valley | 48.18889 | -106.77861 |
| Reservoir Number Four | Valley | 48.46972 | -106.84417 |
| Reservoir Number One Hundred Forty-eight | Valley | 48.2 | -106.9225 |
| Reservoir Number One Hundred Forty-five | Valley | 48.14778 | -106.79194 |
| Reservoir Number One Hundred Forty-seven | Valley | 48.1375 | -106.83694 |
| Reservoir Number One Hundred Sixty-eight | Valley | 48.16722 | -106.80389 |
| Reservoir Number One Hundred Sixty-one | Phillips | 48.16222 | -108.085 |
| Reservoir Number Twenty-eight | Valley | 48.20167 | -106.85306 |
| Rice Reservoir | Chouteau | 47.66972 | -110.80889 |
| Richmond Reservoir | Blaine | 48.79667 | -109.02167 |
| Ridenour Reservoir | Powder River | 45.4975 | -105.88472 |
| Rieve Reservoir | Blaine | 48.23806 | -109.17833 |
| Rimrock Reservoir | Powder River | 45.24722 | -105.86278 |
| Rindal Reservoir | Fergus | 47.36667 | -109.02667 |
| Rinnie Reservoir | Valley | 48.04278 | -107.09306 |
| Road Creek Reservoir | Powder River | 45.65361 | -105.99833 |
| Road Reservoir | Powder River | 45.23889 | -105.98694 |
| Roberts Gulch Reservoir | Rosebud | 45.33083 | -106.42556 |
| Robin Reservoir | Valley | 48.05806 | -106.84333 |
| Rock Creek Lake | Powell | 46.42806 | -112.93889 |
| Rock Creek Reservoir | Phillips | 47.61306 | -108.47361 |
| Rock Lake | Park | 46.01833 | -110.33083 |
| Rocky Crossing Reservoir | Powder River | 45.2525 | -105.95944 |
| Rocky Draw Reservoir | Powder River | 45.18389 | -106.1925 |
| Rocky Reef Reservoir | Cascade | 47.37889 | -111.74444 |
| Romain Reservoir | Liberty | 48.15 | -110.85333 |
| Round Butte Reservoir | Rosebud | 46.79861 | -106.65889 |
| Round Cow Reservoir | Rosebud | 45.22889 | -106.30333 |
| Roy Richey Reservoir | Dawson | 47.64667 | -105.11667 |
| Ruby Reservoir | Valley | 48.26972 | -107.10444 |
| Ruby River Reservoir | Madison | 45.23944 | -112.11 |
| Ruins Reservoir | Valley | 47.93944 | -107.22306 |
| Rush Hall Reservoir | Fallon | 46.59833 | -104.27444 |
| Rustler Reservoir | Valley | 47.92111 | -106.77806 |
| Sage Hen Reservoir | Valley | 48.0725 | -106.77417 |
| Sagebrush Reservoir | Phillips | 47.70639 | -108.42083 |
| Saint Marys Lake | Lake | 47.25972 | -113.92917 |
| Salsbery Reservoir | Phillips | 48.84667 | -107.45 |
| Salty Glen Reservoir | Valley | 47.95556 | -106.77389 |
| Sanburn Reservoir | Powder River | 45.16361 | -105.18139 |
| Sand Rock Reservoir | Powder River | 45.30722 | -105.97333 |
| Sanders Lake | Missoula | 47.05972 | -113.93667 |
| Sands Lake | Hill | 48.53111 | -109.70556 |
| Sarm Reservoir | Phillips | 48.89667 | -107.52944 |
| Sartin Draw Reservoir | Powder River | 45.72 | -106.005 |
| Sawmill Reservoir | Powder River | 45.7325 | -106.01333 |
| Schaudel Reservoir | Rosebud | 45.49111 | -106.2875 |
| Schiller Reservoir | Powder River | 45.69806 | -106.09778 |
| Schmidt Reservoir | Carter | 45.92528 | -104.79861 |
| Schoolmarm Lake | Ravalli | 45.91306 | -113.94556 |
| Schultz Reservoir | Beaverhead | 45.51361 | -113.69778 |
| Scott Reservoir | Lewis and Clark | 46.42167 | -111.91444 |
| Seagull Reservoir | Valley | 48.0875 | -106.75417 |
| Sears Lake | Ravalli | 46.29944 | -114.37028 |
| Section 21 Reservoir | Carter | 45.64028 | -104.08528 |
| Section Four Reservoir | Garfield | 46.9125 | -106.54444 |
| Seifort Reservoir | Chouteau | 47.9775 | -109.81056 |
| Senner Reservoir | Dawson | 47.52167 | -104.815 |
| Seven-Up Reservoir | Phillips | 47.75139 | -108.47611 |
| Seventeen Mile Reservoir | Blaine | 48.08333 | -108.86667 |
| Seventeen Reservoir | Valley | 47.92389 | -106.85472 |
| Seventh Reservoir | Valley | 47.88833 | -106.80472 |
| Seymour Reservoir | Phillips | 48.08583 | -108.01389 |
| Shale Reservoir | Phillips | 47.67694 | -107.99528 |
| Shaw Reservoir | Garfield | 46.95 | -107.88944 |
| Shay Reservoir | Toole | 48.51667 | -111.44333 |
| Sheep Creek Reservoir | Powder River | 45.65639 | -105.96917 |
| Shell Reservoir | Powder River | 45.70417 | -105.82778 |
| Sheridan Lake | Missoula | 47.04139 | -113.91056 |
| Shoemaker | Custer | 46.525 | -105 |
| Short Creek Reservoir | Valley | 47.89667 | -106.95167 |
| Shorty Ridge Reservoir | Powder River | 45.46389 | -106.0725 |
| Shotgun Reservoir | Roosevelt | 48.17917 | -104.23389 |
| Shupak Ponds | Carbon | 45.22389 | -109.0225 |
| Shy Reservoir | Powder River | 45.65806 | -106.20083 |
| Silver Lake | Deer Lodge | 46.165 | -113.215 |
| Silvertip Reservoir | Prairie | 46.86917 | -105.59083 |
| Simon Reservoir | Powder River | 45.34889 | -106.22444 |
| Sioux Reservoir | Carter | 45.67639 | -104.57056 |
| Siwash Reservoir | Phillips | 47.7475 | -107.93306 |
| Skeeter Detention Reservoir | Valley | 47.94028 | -106.76833 |
| Skinny Reservoir | Rosebud | 45.36556 | -106.31972 |
| Skull Reservoir | Phillips | 47.85 | -107.83028 |
| Slough Grass Reservoir | Powder River | 45.2625 | -105.95389 |
| Smith Reservoir | Madison | 45.59028 | -112.21806 |
| Snyder Reservoir | Rosebud | 45.21167 | -106.42806 |
| Soap Creek Reservoir | Lewis and Clark | 47.34833 | -112.33833 |
| Somers Reservoir | Valley | 48.10417 | -107.20083 |
| Sorrell Reservoir | Phillips | 47.76306 | -108.18083 |
| Soufly Reservoir | Valley | 47.855 | -106.90556 |
| South Beaver Reservoir | Valley | 48.02056 | -106.95417 |
| South Fork Reservoir | Prairie | 46.8825 | -105.67056 |
| South Sandstone Reservoir | Fallon | 46.33889 | -104.4775 |
| South Side Reservoir | Silver Bow | 45.13694 | -112.53222 |
| Split Reservoir | Garfield | 47.21833 | -107.75389 |
| Sportsman Pond | Fallon | 46.16639 | -104.39222 |
| Spotted Eagle Lake | Custer | 46.39278 | -105.855 |
| Spring Creek Reservoir | Cascade | 47.02389 | -111.66944 |
| Staff Reservoir | Blaine | 48.475 | -109.42 |
| Stafford Reservoir | Fergus | 47.56556 | -109.3925 |
| Stansfield Lake | Lewis and Clark | 46.64 | -111.98139 |
| Starter Pond | Phillips | 48.38639 | -107.72139 |
| Stebley Reservoir | Valley | 47.8325 | -106.78778 |
| Steel Mule Reservoir | Garfield | 47.19278 | -107.62111 |
| Steinhilber Reservoir | Big Horn | 45.21083 | -107.25111 |
| Stellar Lake | Rosebud | 46.75111 | -106.78833 |
| Stephens Reservoir | Granite | 46.19722 | -113.58694 |
| Stevensville Reservoir | Ravalli | 46.50083 | -114.04472 |
| Stewart Reservoir | Powder River | 45.22694 | -106.04139 |
| Stewart Reservoir Number Two | Powder River | 45.26278 | -106.04472 |
| Stockman Reservoir | Valley | 47.92667 | -106.79722 |
| Storm Lake | Deer Lodge | 46.07444 | -113.26694 |
| Straight Creek Reservoir | Powder River | 45.67528 | -105.98583 |
| Stratton Reservoir | Phillips | 47.81389 | -107.77889 |
| Stroud Reservoir | Garfield | 47.18167 | -107.71417 |
| Structure Number 139 Reservoir | Roosevelt | 48.23167 | -105.21833 |
| Structure Number 143 Reservoir | Valley | 48.21 | -106 |
| Structure Number 149 Reservoir | Roosevelt | 48.27167 | -105.38667 |
| Suburban Reservoir | Valley | 47.85278 | -106.88972 |
| Suction Creek Reservoir | Blaine | 48.02694 | -109.00889 |
| Summers Reservoir | Carter | 45.63972 | -104.24556 |
| Sunfish Reservoir | Valley | 48.06806 | -106.76194 |
| Sunrise Lake | Madison | 45.57694 | -112.08806 |
| Suphellen Reservoir | Toole | 48.74167 | -111.67167 |
| Swift Reservoir | Pondera | 48.16361 | -112.87139 |
| Swope Reservoir | Powder River | 45.19806 | -105.83222 |
| T C Drop Dam Reservoir | Valley | 47.98417 | -106.98528 |
| T U Reservoir | Blaine | 48.09389 | -109.28 |
| Taint Reservoir | Phillips | 47.70583 | -108.39639 |
| Tamarack Lake | Ravalli | 45.94167 | -114.32167 |
| Target Detention Reservoir | Valley | 47.93417 | -106.78722 |
| Target Reservoir | Valley | 48.90778 | -107.15333 |
| Tate Reservoir | Madison | 45.01167 | -111.93389 |
| Taylor Creek Reservoir Number One | Powder River | 45.22639 | -105.95778 |
| Taylor Creek Reservoir Number Two | Powder River | 45.22889 | -105.94694 |
| Taylor Reservoir | Jefferson | 46.21556 | -112.11778 |
| Teds Reservoir | McCone | 47.82083 | -106.08194 |
| Tempel Reservoir | Liberty | 48.81667 | -110.85833 |
| Ten Reservoir | Garfield | 46.89806 | -107.02833 |
| Tepee Butte Reservoir | Custer | 46.10389 | -105.01722 |
| The Pot Hole | Toole | 48.95139 | -111.43333 |
| Thebes Lake | Rosebud | 46.53833 | -107.24361 |
| Theboe Lake | Teton | 47.795 | -112.56667 |
| Think Reservoir | Valley | 47.87778 | -106.7825 |
| Thirtymile Reservoir | Blaine | 48.51806 | -108.74056 |
| Thomas Reservoir | Garfield | 47.42667 | -106.45972 |
| Thompson Falls Reservoir | Sanders | 47.60583 | -115.29861 |
| Thompson Reservoir | Madison | 45.52194 | -112.0225 |
| Thornton Lake | Deer Lodge | 46.26 | -113.03333 |
| Three Trees Reservoir | Valley | 47.9225 | -106.95083 |
| Three X Bar Reservoir | Rosebud | 45.27889 | -106.3175 |
| Three X Bar Reservoir Number Two | Rosebud | 45.26389 | -106.31917 |
| Threemile Reservoir | Blaine | 48.43667 | -108.63222 |
| Thunderhead Pit Reservoir | Valley | 48.07056 | -106.87306 |
| Tiger Reservoir | Valley | 47.87222 | -106.8525 |
| Timber Creek Basin Reservoir | Rosebud | 45.325 | -106.40222 |
| Timber Creek Reservoir | Rosebud | 45.31 | -106.41528 |
| Timber Pit Reservoir | Phillips | 47.60944 | -108.2175 |
| Timber Reservoir | Valley | 48.99611 | -107.16 |
| Time Reservoir | Valley | 48.99167 | -107.14389 |
| Tin Cup Lake | Powell | 46.38833 | -112.855 |
| Tiney Pit Reservoir | Valley | 48.04306 | -106.80667 |
| Titan Reservoir | Phillips | 48.99833 | -107.67472 |
| Tobin Reservoir | Powder River | 45.53056 | -105.96111 |
| Todd Lake | Valley | 48.30833 | -105.975 |
| Tomahawk Detention Reservoir | Valley | 48.07778 | -106.87944 |
| Tondra Reservoir | Phillips | 48.95556 | -107.67083 |
| Tongue River Reservoir | Big Horn | 45.13056 | -106.76556 |
| Tooley Creek Reservoir | Powder River | 45.20222 | -106.25139 |
| Toston Dam | Broadwater | 46.12 | -111.40833 |
| Townsend Reservoir | Broadwater | 46.31444 | -111.45972 |
| Trail Creek Reservoir | Rosebud | 46.71667 | -106.55222 |
| Trail Reservoir | Valley | 48.02639 | -106.93806 |
| Trailerhouse Reservoir | Valley | 48.14861 | -107.20556 |
| Trapper Reservoir | Valley | 48.60028 | -106.79444 |
| Travis Reservoir | Lewis and Clark | 46.445 | -112.30444 |
| Tree Reservoir | Valley | 48.03556 | -106.86889 |
| Trenk Reservoir | Carter | 45.73389 | -104.72306 |
| Triple Crossing Reservoir | Valley | 47.97972 | -107.11861 |
| Trish Reservoir | Valley | 48.10222 | -106.83806 |
| Trout Pond | Powder River | 45.68694 | -105.04861 |
| Troy City Reservoir | Lincoln | 48.45694 | -115.84972 |
| Troy Dam Reservoir | Lincoln | 48.43833 | -115.875 |
| Tub Lake | Beaverhead | 45.41778 | -112.99889 |
| Tule Lake | Blaine | 48.68083 | -109.05139 |
| Tuna Reservoir | Valley | 47.96472 | -106.87556 |
| Turner Reservoir | Liberty | 48.955 | -110.94833 |
| Turtle Lake | Lake | 47.66833 | -114.07528 |
| Turtle Reservoir | Powder River | 45.28639 | -105.81861 |
| Tveten Reservoir | McCone | 47.83139 | -105.72417 |
| Twin Forks Reservoir | Dawson | 46.895 | -104.58667 |
| Twin Reservoir | Blaine | 48.74889 | -109.23889 |
| Twin Snag Reservoir | Phillips | 47.76694 | -108.83972 |
| Two Buck Reservoir | Powder River | 45.42917 | -106.07778 |
| Two Butte Reservoir | Valley | 48.13944 | -106.93917 |
| Two Forks Reservoir | Valley | 47.85278 | -106.90833 |
| Two Moon Reservoir | Big Horn | 45.56639 | -106.86917 |
| Two Reservoir | Valley | 47.99056 | -106.85611 |
| Two Tree Reservoir | Valley | 47.92028 | -106.93639 |
| U N Reservoir | Hill | 48.89806 | -109.92306 |
| ULT Reservoir | Valley | 47.95278 | -107.15361 |
| Uphans Reservoir | Valley | 48.11056 | -106.91833 |
| Upper Bowman Lake | Powell | 46.315 | -113.025 |
| Upper Branham Lake | Madison | 45.51667 | -111.99167 |
| Upper Carters Pond | Fergus | 47.15139 | -109.42639 |
| Upper Dry Fork Reservoir | Sanders | 47.74861 | -114.68194 |
| Upper Glaston Lake | Sweet Grass | 46.03639 | -109.82667 |
| Upper Hansen Reservoir | Blaine | 48.14556 | -109.18028 |
| Upper Indian Creek Reservoir | Big Horn | 45.27028 | -107.02111 |
| Upper Labell Reservoir | Dawson | 46.88389 | -104.58861 |
| Upper Lake | Missoula | 47.01 | -113.91833 |
| Upper Lone Tree Reservoir | Valley | 48.05667 | -107.19333 |
| Upper Magpie Reservoir | Dawson | 46.94667 | -104.65667 |
| Upper O'Dell Coulee Reservoir | McCone | 47.89944 | -105.70833 |
| Upper Reservoir | Silver Bow | 45.83944 | -112.52472 |
| Upper Twin Lake | Ravalli | 46.16167 | -114.49833 |
| Ute Reservoir | Carter | 45.68639 | -104.555 |
| V O Reservoir | Carbon | 45.08722 | -109.01167 |
| V-Bar-S Reservoir | Carter | 45.71306 | -104.25861 |
| Valley Reservoir | Valley | 47.84583 | -107.01306 |
| Vannett Reservoir | Powder River | 45.39389 | -105.08111 |
| Vaux Reservoir Number One | Richland | 47.72778 | -104.22556 |
| Vaux Reservoir Number Two | Richland | 47.73 | -104.23556 |
| Vaver Reservoir | Liberty | 48.865 | -110.92222 |
| Veseth Reservoir | Phillips | 47.91806 | -108.17028 |
| Vic Reservoir | Valley | 47.94444 | -106.70778 |
| Voldseth Reservoir | Meagher | 46.38583 | -110.50778 |
| VR 33 Reservoir | Valley | 47.91306 | -106.63139 |
| VR 44 Reservoir | Valley | 47.90194 | -106.70028 |
| VR 78 Reservoir | Valley | 47.99472 | -106.63556 |
| VR-105 Reservoir | Valley | 48.06028 | -106.74528 |
| VR-167 Reservoir | Valley | 48.11056 | -106.83306 |
| VR-2 Reservoir | Valley | 48.1625 | -107.04417 |
| VR-80 Reservoir | Valley | 48.49222 | -106.96167 |
| Wagner Reservoir | Rosebud | 46.81667 | -106.79222 |
| Wagon Top Reservoir | Valley | 48.21444 | -106.96694 |
| Walden Reservoir | Liberty | 48.49167 | -111.01472 |
| Wales Creek Reservoir | Powell | 46.91167 | -113.13667 |
| Wanken Reservoir | Toole | 48.45333 | -111.95667 |
| War Horse Lake | Petroleum | 47.12 | -108.535 |
| Waste Reservoir | Valley | 48.57028 | -106.91389 |
| Water Gap Reservoir | Rosebud | 45.27972 | -106.28111 |
| Waterfowl Reservoir | Phillips | 48.96417 | -107.68333 |
| Waters Reservoir | McCone | 47.87528 | -105.26 |
| Waukena Lake | Beaverhead | 45.55333 | -112.95 |
| Waydown Reservoir | Phillips | 47.79556 | -108.58167 |
| Weigand Reservoir | Blaine | 48.26028 | -108.415 |
| Wertz Reservoir | Meagher | 46.40333 | -110.97167 |
| West Lindsey Reservoir | Carter | 45.55472 | -104.09444 |
| West Plum Creek Reservoir | Carter | 45.62833 | -104.09944 |
| West Side Reservoir | Silver Bow | 46.02389 | -112.55139 |
| Wheatcroft Reservoir | Garfield | 47.25 | -107.31889 |
| White Bear Reservoir | Blaine | 48.34056 | -108.95194 |
| White Elephant Reservoir | Chouteau | 48.12361 | -111.23333 |
| White Rock Reservoir | Valley | 47.91639 | -106.91556 |
| Whiteface Reservoir | Phillips | 47.71139 | -108.43139 |
| Whitetail Reservoir | Daniels | 48.89111 | -105.15556 |
| Wichiup Reservoir | Carter | 45.68528 | -104.51861 |
| Widgeon Pond | Beaverhead | 44.63667 | -111.655 |
| Wild Horse Reservoir | Phillips | 48.13028 | -108.18028 |
| Wilderness Reservoir | Valley | 47.97972 | -106.83833 |
| Williams Coulee Reservoir | Phillips | 48.19556 | -108.01611 |
| Williams Reservoir | Powder River | 45.66917 | -105.85889 |
| Willie Reservoir | Custer | 46.05528 | -105.17944 |
| Willow Bunch Reservoir | Valley | 47.99306 | -107.07278 |
| Willow Creek Flat Reservoir | Valley | 47.98028 | -106.715 |
| Willow Creek Reservoir | Lewis and Clark | 47.54722 | -112.42861 |
| Wilson Reservoir | Phillips | 47.82778 | -107.83611 |
| Witcher Reservoir | Custer | 45.79028 | -105.49361 |
| Wold Reservoir | Dawson | 47.63333 | -105.00194 |
| Wolff Reservoir | Dawson | 47.17667 | -105.075 |
| Wood Reservoir | Toole | 48.83833 | -111.49 |
| Woodard Reservoir | Rosebud | 45.22917 | -106.44861 |
| Woodbury Reservoir | Rosebud | 45.19889 | -106.32917 |
| Wrangler Reservoir | Phillips | 47.77556 | -108.20194 |
| Wren Reservoir | Blaine | 47.91417 | -109.09528 |
| Wyant Lake | Ravalli | 46.24389 | -114.34 |
| Wynkoop Reservoir | Powder River | 45.20639 | -105.97167 |
| Wynkoop SU Reservoir | Powder River | 45.20722 | -105.98917 |
| Yankee Reservoir | Powder River | 45.22278 | -105.90361 |
| Yellow Water Reservoir | Petroleum | 46.90222 | -108.47194 |
| Yellowtail Afterbay Reservoir | Big Horn | 45.31833 | -107.92333 |
| York Reservoir | Garfield | 47.23972 | -106.68944 |
| Zempel Lake | Rosebud | 46.50917 | -107.01389 |
| Zemple Lake | Rosebud | 46.50833 | -107.01333 |
| Ziegler Reservoir | Madison | 45.57778 | -112.10722 |
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