Pole Hill Afterbay Dam

Overview

General
RegionFacilities in Great Plains | Great Plains Home Page
StateColorado
CountyLarimer
ProjectColorado-Big Thompson
Dam Type
ReservoirPole Hill Afterbay
WatercourseLittle Hell Creek
Location
Longitude-105.33156
Latitude40.36642
Original Construction1953
Modified Construction
National ID NumberCO82917
Hydrologic Unit Code

Dimensions
Structural Height32.0 ft
Hydraulic Height (Normal Operating Depth at Dam)21.0 ft
Top Parapet (Elevation)
Spillway Crest Elevation
Crest Elevation6597.25 ft
Crest Length220.0 ft
Crest Width
Base Width
Volume of Dam Construction Materials
Streambed at Dam Axis
Top of Exclusive Flood Control Pool (Elevation)
Top of Joint Use Pool (Elevation)
Top of Active Conservation Pool (Elevation)6593.0 ft
Top of Inactive Conservation Pool (Elevation)6579.25 ft
Top of Dead Storage Pool (Elevation)

Hydraulics & Hydrology
Volume
Total Water Storage at Elevation
Maximum Water Surface Elevation
Normal Water Surface Elevation6586.0 ft
Spillway Type
Auxiliary Spillway
Spillway Capacity at Elevation550.0 cfs at 6593.0 ft
Auxiliary Spillway Capacity at Elevation
Uncontrolled Spillway Capacity at Elevation
Outlet Works Capacity at Elevation
Diversion Capacity at Elevation
Drainage Area
Hydrometeorological Report (HMR)
Probable Maximum Flood (PMF) Report

Contact Information
OwnerNo value defined
OperatorNo value defined


Last updated: Apr 02, 2013