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Clark Canyon Dam

Picture of Clark Canyon Dam


Statistics

General

  • Region (Map) : ................... Great Plains
  • State (Map) .......................  Montana
  • County ................................ Beaverhead
  • Project: ................................ PSMBP-East Bench
  • Dam type: ........................... Earthfill
  • Location: ............................ 20mi SW of Dillion
  • Watercourse: ..................... Beaverhead River
  • Reservoir: ........................... Clark Canyon
  • Construction Date: ............1961-1964
  • National ID Number .......... MT00569
  • Hydrologic Unit Code .......

Dimensions


Hydraulics

  • Normal Water Surface Elev: ...............5535.7 ft
  • Hydraulic Height: ................................. 113.9 ft
  • Service Spillway Type:
  •    Uncontrolled  Crest    ...............................Yes
  •    Morning-Glory ........................................... No
  •    Crest Length    ......................................... 67 ft
  •    Gated      ...................................................... No
  •    Capacity at Elev:  5571.9  ft,             9,520 cfs
  • Auxiliary Spillway ........................................ No
  •     Capacity at Elev.   .................................. 0 cfs
  • Outlet Works Capacity at
  •     Elevation  5547.0 ft.,  ....................... 2,325 cfs 

Hydrology

  • Drainage Area: .................................2,315 sq mi
  • Hydrometeorological Report               HMR 55
  • Flood Type: ...............................Winter General
  • Storm Duration: ....................................... 72 hrs
  • Probable Maximum Flood (PMF) Report:
  •   Peak Inflow: ............................. ..... 166,800 cfs
  •   Inflow Volume: ........................ 361,900 acre-ft
  •   Flow Duration: .....................................30 days
  •   PMF Routing MWS Elev.: ............... 5535.7 ft
  •   Initial Routing Elev: .......................... 5535.7 ft
  •   Study Date: ....................................... July 1985


Power Generation

 


Narration

 


Geology

 


Links

 | Recreation |

 | Dams Located by State | USBR Montana Dams | North Great Plains Region Dams |

 | Owner:  Bureau of Reclamation, Montana Area Office,
                   PO Box 30137, Billings, MT 59107-0137, (406) 247-7664

 | Operator:  East Bench Irrigation District,
                       1100 Highway 41, Dillon, MT 59725, (406) 683-2307

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