Water Projects Bureau


The Water Projects Bureau administers the operation and maintenance of state-owned water projects. These include 24 dams, with approximately 250 miles of irrigation canals and one 10 MW hydropower facility. The bureau also assists the Department of Fish, Wildlife and Parks with dam safety issues regarding their 9 dams. Most of the DNRC projects are operated by local water users associations that use the water for irrigation. Many of the projects provide secondary recreational benefits including camping, fishing and boating.

State Water Projects
East Fork Rock Creek Reservoir Data
Tongue River Reservoir Data
Middle Creek Reservoir Data
Martinsdale Reservoir Data

East Fork of Rock Creek In-Stream Flow Study

Painted Rocks Reservoir Data
Hydropower
State Reservoir Storage Contents

(PDF file links viewable with Adobe Reader)

Water Projects employees on the job

State-Owned Water Projects

Name Year
Completed
Storage
(acre-feet)
Height
(feet)
County
*Ackley Lake Dam 1938 6,722 51 Judith Basin
*Bair Reservoir Dam 1939 7,300 106 Meagher
*Cooney Dam 1937 28,230 102 Carbon
*Cottonwood Dam 1953 1,905 39 Park
*Deadmans Basin Dam 1941 72,218 60 Wheatland
*East Fork of Rock Creek Dam 1938 16,040 88 Granite
*Fred Burr Dam 1949 525 50 Ravalli
  Frenchman Dam 1952 2,801 44 Phillips
*Glacier Lake Dams 1937 4,200 57 (N)
20 (S)
Carbon
*Martinsdale Dams 1939 23,348 91 (N)
49 (E)
Wheatland
*Middle Creek Dam (Hyalite) 1951 10,184 125 Gallatin
*Nevada Creek Dam 1938 11,152 105 Powell
*Nilan Dams 1951 10,090 54 (N)
51 (E)
Lewis & Clark
*North Fork of Smith River Dam 1936 11,500 84 Meagher
*Painted Rocks Dam 1939 32,362 143 Ravalli
*Ruby River Dam 1938 37,642 112.5 Madison
*Tongue River Dam 1940 79,071 93 Big Horn
*Toston Dam
  (Broadwater-Missouri)
1940 4,100 51.5 Broadwater
*Willow Creek Dam 1938 18,000 105 Madison
*Yellow Water Dam 1938 3,840 37 Petroleum

Department of Fish, Wildlife and Parks Dams

Name Year
Completed
Storage
(acre-feet)
Height
(feet)
County
  Ashley Lake Dam 1928 20,400 10 Flathead
  Bailey Reservoir Dam 1968 estimated 800+ 44 Hill
*Bearpaw Dam 1958 535 59 Hill
*Gartside Dam 1962 326 30 Richland
  Johnson Reservoir Dam 1930s 208 23 Dawson
  Knowlton Reservoir Dam 1890-1910 166 15 Teton
  South Sandstone Reservoir Dam 1975 940 38 Fallon
  Whitetail Dam 1930s 198 21 Daniels
  Rainy Lake Fish Barrier 1957 drop barrier in stream -
no storage capacity
10 Missoula

*Denotes High-Hazard Dams: A "high-hazard" dam is one whose failure would endanger lives.
This classification is not a reflection on the actual condition of the dam.

Contact

Dept. of Natural Resources & Conservation
1625 Eleventh Ave.
Helena, MT 59601
Phone: (406) 444-2074
Fax: (406) 444-2684