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Lake Alice No. 1 Dam

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Statistics

General

  • Region (Map) : .................. Great Plains
  • State (Map) .......................  Nebraska
  • County ...............................  Scotts Bluff
  • Project: ..............................  North Platte
  • Dam type: ........................... Earthfill
  • Location: ...........................  9mi N Scottsbluff
  • Watercourse: ..................... Interstate Canal
  • Reservoir: ........................... Lake Alice
  • Construction Date: .........   1910-1912
  • National ID Number .......... NE01071
  • Hydrologic Unit Code .....

Dimensions


Hydraulics

  • Normal Water Surface Elev: .................. 4182 ft
  • Hydraulic Height: ...................................     20 ft
  • Service Spillway Type:
  •    Uncontrolled  Crest    ................................Yes
  •    Morning-Glory ........................................... No
  •    Crest Length    ....................................... 100 ft
  •    Gated      ...................................................... No
  •    Capacity at Elev:  4188.3  ft,              4870 cfs
  • Auxiliary Spillway ......................................... No
  •     Capacity at Elev.   .................................. 0 cfs 
  • Outlet Works Capacity at
  •     Elevation  4182 ft.,  ................................. 0 cfs
                                             (removed from service)
     

Hydrology

  • Drainage Area: ................................. 20.5 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

Bedrock underlying the Alice Dams and Reservoirs consist of sandy silt of the Brule Formation.  Project histories (USBR, 1912) allude to sand and gravel cover of about 3 meters at the damsite.  There is no known record of the nature and thickness of material overlying the Brule Formation elsewhere at the site, it is likely that the valley bottom contains material of a thickness comparable to that at the damsite, and that the entire area is mantled by eolian sand and loess.  While Brule is generally massive in the subsurface, it develops jointing when exposed to air.  Water exploits these joints, forming fissures.  There is no evidence of post-Miocene faulting at either Lake Alice or Minatare damsites or within 60 km of the sites.  In addition, the smooth gentle slopes adjacent to the reservoirs suggest there is no active landslides at the site.


Links

 | Recreation |

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

 | Owner:  Bureau of Reclamation, Wyoming Area Office,
                   PO Box 1630, Mills, WY 82644-1630, (307) 261-5671

 | Operator:  Pathfinder Irrigation District,
                       PO Box 338, Mitchell, NE 69357, (308) 623-1022

 

 

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