Home | About Us | News | Programs & Activities | Library | Water Operations | Site Index

 

Anita Dam

Anita Dam


Statistics

General

  • Region (Map) : ................... Great Plains
  • State (Map) ........................ Montana
  • County ................................ Yellowstone
  • Project: ................................ Huntley
  • Dam type: ........................... Earthfill
  • Location: ............................ 6 mi SE of Ballantine
  • Watercourse: ..................... Offstream Storage
  • Reservoir: ........................... Anita
  • Construction Date: ............1933-1937
  • National ID Number ........... MT00567
  • Hydrologic Unit Code .....

Dimensions


Hydraulics

  • Normal Water Surface Elev: ...........  .3003.00 ft
  • Hydraulic Height: ..................................   30.0 ft
  • Service Spillway Type:
  •    Uncontrolled  Crest    .................................Yes
  •    Morning-Glory ............................................ No
  •    Crest Length    .......................................... 40 ft
  •    Gated      ....................................................... No
  •    Capacity at Elev:  3007.8  ft,  ........   15000 cfs
  • Auxiliary Spillway ......................................... No
  •     Capacity at Elev.   ................................. 0  cfs
  • Outlet Works Capacity at
  •     Elevation  2980.0 ft  ...........................   50 cfs 

Hydrology

  • Drainage Area: ...................................   3.1 sq mi
  • Hydrometeorological Report                HMR 55
  • Flood Type: ........................ All Season General
  • Storm Duration: ......................................... 72 hrs
  • Probable Maximum Flood (PMF) Report:
  •   Peak Inflow: ...................................... 10,960 cfs
  •   Inflow Volume: ............................. 3,165 acre-ft
  •   Flow Duration: .................................. 1.25 days
  •   PMF Routing MWS Elev.: ................ 3011.4 ft
  •   Initial Routing Elev: ........................... 3003.0 ft
  •   Study Date: ................................... March 1986


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:  Huntley Project Irrigation District,
                       PO Box 61, Ballantine, MT 59006, (406) 967-3400

 

 

Dams | Projects | Powerplants | Contact Us | Maps | Glossary | FAQ´s | Links