Bradbury Dam

Overview

 Bradbury Dam

Bradbury Dam was originally named the Cachuma Dam. The name was changed in 1971 to honor local water proponent Brad Bradbury. It is located on the Santa Ynez River approximately 25 miles northwest of Santa Barbara.

It is a zoned earthfill structure, containing 6,695,000 cubic yards of material. It is 279 feet high from the bottom of the cutoff trench to the top of the dam and. 206 feet above the streambed.

The spillway section is concrete-lined, with four 50x30 foot radial gates, and has a capacity of 161,000 cubic feet per second.

Lake Cachuma, has a capacity of 205,000 acre-feet. The lake covers 3250 acres when full and has a 42-mile shoreline.


General
RegionFacilities in Mid-Pacific | Mid-Pacific Home Page
StateCalifornia
CountySanta Barbara
ProjectCachuma
Dam Type
ReservoirLake Cachuma
WatercourseSanta Ynex River
Location25 mi NW of Santa Barbara
Longitude-119.9833
Latitude34.5833
Original Construction1950-1953
Modified Construction
National ID NumberCA10136
Hydrologic Unit Code

Dimensions
Structural Height279.0 ft
Hydraulic Height (Normal Operating Depth at Dam)190.0 ft
Top Parapet (Elevation)
Spillway Crest Elevation720.0 ft
Crest Elevation766.0 ft
Crest Length
Crest Width
Base Width
Volume of Dam Construction Materials
Streambed at Dam Axis560.0 ft
Top of Exclusive Flood Control Pool (Elevation)
Top of Joint Use Pool (Elevation)
Top of Active Conservation Pool (Elevation)750.0 ft
Top of Inactive Conservation Pool (Elevation)660.0 ft
Top of Dead Storage Pool (Elevation)600.0 ft

Hydraulics & Hydrology
Volume
Total Water Storage at Elevation
Maximum Water Surface Elevation
Normal Water Surface Elevation750.0 ft
Spillway Type
Auxiliary SpillwayNo
Spillway Capacity at Elevation159000 cfs at 760.0 ft
Auxiliary Spillway Capacity at Elevation
Uncontrolled Spillway Capacity at Elevation
Outlet Works Capacity at Elevation
Diversion Capacity at Elevation
Drainage Area417.0 sq mi
Hydrometeorological Report (HMR)HMR 58
Probable Maximum Flood (PMF) Report

Contact Information
Owner
TitleArea Office Manager
OrganizationSouth-Central California Area Office
Address1243 "N" Street
CityFresno, CA 93721-1813
Phone (Office)559-487-5116
Operator
TitleArea Office Manager
OrganizationSouth-Central California Area Office
Address1243 "N" Street
CityFresno, CA 93721-1813
Phone (Office)559-487-5116


Last updated: May 28, 2009