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Mason Dam

Mason Dam


Statistics

General

  • Region (Map) : .................. Pacific Northwest
  • State (Map) .......................  Oregon
  • County ................................ Baker
  • Project: ............................... Baker
  • Dam type: .......................... Earthfill
  • Location: ............................17 miles from Baker
  • Watercourse: .................... Powder River
  • Reservoir: .......................... Phillips Lake
  • Construction Date: ...........1965-1968
  • National ID Number ......... OR00577
  • Hydrologic Unit Code .....

Dimensions


Hydraulics

  • Normal Water Surface Elev: ................4070.5 ft
  • Hydraulic Height: .................................. 159.0 ft
  • Service Spillway Type:
  •    Uncontrolled  Crest    ................................Yes
  •    Morning-Glory ........................................... No
  •    Crest Length    ...................................... 20.0 ft
  •    Gated      ...................................................... No
  •    Capacity at Elev:  4070.5  ft,             1,210 cfs
  • Auxiliary Spillway ........................................ No
  •     Capacity at Elev.   .................................. 0 cfs
  • Outlet Works Capacity at
  •     Elevation  4070.5 ft.,  ......................    895 cfs

Hydrology

  • Drainage Area: ................................. 170 sq mi
  • Hydrometeorological Report      HMR
  • Flood Type: ...............................General
  • Storm Duration: .......................................  hrs
  • Probable Maximum Flood (PMF) Report:
  •   Peak Inflow: ..................................  cfs
  •   Inflow Volume: ........................  acre-ft
  •   Flow Duration: ......................................0 days
  •   PMF Routing MWS Elev.: ................. x.0 ft
  •   Initial Routing Elev: ............................ x.0 ft
  •   Study Date:


Power Generation


Narration

 


Geology

 


Links

 | Recreation | NA

 | Dams Located by State | USBR Oregon Dams | Pacific Northwest Region Dams |

 | Owner:  Bureau of Reclamation, Snake River Area Office - West,
                   230 Collins Road, Boise, ID 83703, (208) 383-2000

 | Operator:  Baker Valley Irrigation District,
                       3895 - 10th St., Baker City, OR  97814-1424, (541) 523-5451

 

 

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