Stony Gorge Dam

Overview

Stony Gorge Dam

Foundation: Steeply tilted sedimentary rocks consisting of thick, massive sandstone with interbedded strata of conglomerate and shale. Inactive fault crosses dam axis in streambed.


General
RegionFacilities in Mid-Pacific | Mid-Pacific Home Page
StateCalifornia
CountyGlenn
ProjectOrland
Dam Type
ReservoirStony George
WatercourseStony Creek
Location
Longitude
Latitude
Original Construction1926-1928
Modified Construction
National ID NumberCA10194
Hydrologic Unit Code

Dimensions
Structural Height139.00 ft
Hydraulic Height (Normal Operating Depth at Dam)113.00 ft
Top Parapet (Elevation)
Spillway Crest Elevation
Crest Elevation847.00 ft
Crest Length868.00 ft
Crest Width9.75 ft
Base Width168.00 ft
Volume of Dam Construction Materials43100.00 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
Volume
Total Water Storage at Elevation50000.00 acre-ft at 841.00
Maximum Water Surface Elevation
Normal Water Surface Elevation
Spillway Type
Auxiliary SpillwayNo
Spillway Capacity at Elevation38000.00 cfs at 844.50
Auxiliary Spillway Capacity at Elevation
Uncontrolled Spillway Capacity at Elevation
Outlet Works Capacity at Elevation1010.0 cfs at 841.00 ft
Diversion Capacity at Elevation
Drainage Area275.0 sq mi
Hydrometeorological Report (HMR)
Probable Maximum Flood (PMF) Report

Contact Information
Owner
TitleArea Office Manager
OrganizationNorthern California Area Office
Address16349 Shasta Dam Boulevard
CityShasta Lake, CA 96019
Phone (Office)530-275-1554
Operator
OrganizationOrland Unit Water Users` Association
Address828 Eighth St
CityOrland, CA 95963
Phone (Fax)530 865-7631
Phone (Office)530 865-4126


Last updated: Jun 04, 2009