Dickinson Dam

Overview
Bedrock underlying Dickinson Dam and appurtenant structures is the Sentinel Butte Formation of Paleocene age.  It is a deltaic deposit composed primarily of fine-grained sandstone, siltstone, shales and lignite beds.  Locally overlying the Sentinel Butt are undifferentiated Pleistocene terrace deposits.  They range in composition from silty sand to sandy gravel and can be distinguished from other deposits by their coarse texture, color and rich calcareous content. Terrace deposits covered the bedrock over approximately one-half of the auxiliary spillway area prior to excavation.  Topsoil in the area ranges from 0.3 to 5.8 feet deep with an average depth of approximately 2.0 feet.  It generally consists of fine silty sand, silty sand and clayey sand.

General
RegionFacilities in Great Plains | Great Plains Home Page
StateNorth Dakota
CountyStark
ProjectPSMBP-Dickinson
Dam Type
Reservoir
WatercourseHeart River
Location
Longitude-102.8269
Latitude46.8697
Original Construction1950
Modified Construction
National ID NumberND00148
Hydrologic Unit Code

Dimensions
Structural Height62.0 ft
Hydraulic Height (Normal Operating Depth at Dam)31.5 ft
Top Parapet (Elevation)
Spillway Crest Elevation2416.5 ft
Crest Elevation2436.6 ft
Crest Length2275.0 ft
Crest Width
Base Width
Volume of Dam Construction Materials
Streambed at Dam Axis2385.0 ft
Top of Exclusive Flood Control Pool (Elevation)
Top of Joint Use Pool (Elevation)
Top of Active Conservation Pool (Elevation)2420.0 ft
Top of Inactive Conservation Pool (Elevation)2405.0 ft
Top of Dead Storage Pool (Elevation)2404.0 ft

Hydraulics & Hydrology
Volume
Total Water Storage at Elevation
Maximum Water Surface Elevation
Normal Water Surface Elevation2430.6 ft
Spillway Type
Auxiliary SpillwayNo
Spillway Capacity at Elevation33200.0 cfs at 2428.9 ft
Auxiliary Spillway Capacity at Elevation
Uncontrolled Spillway Capacity at Elevation
Outlet Works Capacity at Elevation40.0 cfs at 2416.5 ft
Diversion Capacity at Elevation
Drainage Area
Hydrometeorological Report (HMR)
Probable Maximum Flood (PMF) Report

Contact Information
Owner
TitleArea Office Manager
OrganizationDakotas Area Office
AddressPO Box 1017
CityBismarck, ND 58501
Phone (Fax)701 250-4326
Phone (Office)701 250-4242
Operator
TitleArea Office Manager
OrganizationDakotas Area Office
AddressPO Box 1017
CityBismarck, ND 58501
Phone (Fax)701 250-4326
Phone (Office)701 250-4242


Last updated: Mar 29, 2013