| Bradbury Dam | |
|---|---|
 | |
  Location of Bradbury Dam in California | |
| Country | United States |
| Location | Santa Barbara County,California |
| Coordinates | 34°34′58″N119°58′50″W / 34.58278°N 119.98056°W /34.58278; -119.98056 |
| Construction began | 1950; 75 years ago (1950) |
| Opening date | 1953; 72 years ago (1953) |
| Owner(s) | U.S. Bureau of Reclamation |
| Dam and spillways | |
| Type of dam | earthfill |
| Impounds | Santa Ynez River |
| Height | 279 ft (85 m) |
| Length | 2,850 ft (870 m) |
| Elevation at crest | 766 ft (233 m) |
| Dam volume | 6,695,000 cu yd (5,119,000 m3) |
| Spillways | Gate-controlled concrete chute |
| Spillway capacity | 161,000 cu ft/s (4,600 m3/s) |
| Reservoir | |
| Creates | Cachuma Lake |
| Total capacity | 205,000 acre⋅ft (253,000,000 m3) |
| Catchment area | 417 sq mi (1,080 km2) |
| Surface area | 3,250 acres (1,320 ha) |
| Normal elevation | 750 ft (230 m) |
| Power Station | |
| Hydraulic head | 206 ft (63 m) |
| Installed capacity | None |
Bradbury Dam is an earthen dam across theSanta Ynez River in centralSanta Barbara County,California. The dam formsLake Cachuma, which provides the majority of water supplies within the county.
Although the Santa Ynez can reach massive flows in the winter, it usually dries up for several months of the year in the summer. A large storage facility to catch winter floodwaters for use in the summer and autumn was desperately needed by the growing population of the region, especially that of south coast cities likeSanta Barbara andCarpinteria. Even before Bradbury Dam was considered, theGibraltar Dam was built upstream to divert water through a tunnel to the city of Santa Barbara. However, that dam was plagued by siltation and was unable to fully serve the water requirements of the city.[1]
Construction on Bradbury Dam started in 1950 as part of aU.S. Bureau of Reclamation scheme called theCachuma Project, intended to provide long-term water storage and delivery to Santa Barbara and other cities throughout the region as well as provide water forirrigation. Originally named the Cachuma Dam upon completion in 1953, the name was changed in 1971 to honor C. W. "Brad" Bradbury, a local water supply proponent.[2][3]
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