Seminoe Dam

Overview
Foundation: Hard granite cut by close joints, generally tight but locally open, with two intersecting major faults under the dam

General
RegionFacilities in Great Plains | Great Plains Home Page
StateWyoming
CountyCarbon
ProjectKendrick
Dam Type
ReservoirSeminoe
WatercourseNorth Platte River
Location
Longitude-106.9083
Latitude42.1569
Net Generation108,504,610 kWh
Original Construction1936-1939
Modified Construction
National ID NumberWY01297
Hydrologic Unit Code

Dimensions
Structural Height295 ft
Hydraulic Height (Normal Operating Depth at Dam)206 ft
Top Parapet (Elevation)
Spillway Crest Elevation
Crest Elevation6361.0 ft
Crest Length530 ft
Crest Width15 ft
Base Width
Volume of Dam Construction Materials210000 cu yd
Streambed at Dam Axis
Top of Exclusive Flood Control Pool (Elevation)
Top of Joint Use Pool (Elevation)
Top of Active Conservation Pool (Elevation)
Top of Inactive Conservation Pool (Elevation)
Top of Dead Storage Pool (Elevation)

Hydraulics & Hydrology
Volume1528270 acre-ft
Total Water Storage at Elevation1017279 acre-ft at 7358
Maximum Water Surface Elevation6380.8 ft
Normal Water Surface Elevation
Spillway Type
Auxiliary Spillway
Spillway Capacity at Elevation48500 cfs at 6357
Auxiliary Spillway Capacity at Elevation
Uncontrolled Spillway Capacity at Elevation
Outlet Works Capacity at Elevation3000 cfs at 6357 ft
Diversion Capacity at Elevation
Drainage Area7210 sq mi
Hydrometeorological Report (HMR)HMR 55
Probable Maximum Flood (PMF) Report1984 Rain & Snow

Contact Information
Owner
TitleFacility Manager
OrganizationNorth Platte Projects Field Office
Address22122 Kortes Road
CityAlcova, WY 82620
Phone (Office)307-261-5960
Operator
TitleFacility Manager
OrganizationNorth Platte Projects Field Office
Address22122 Kortes Road
CityAlcova, WY 82620
Phone (Office)307-261-5960


Last updated: Apr 08, 2013