Overview
Casitas Dam is a dam on Coyote Creek that forms Lake Casitas near Ojai, California. Construction of Casitas Dam began in July 1956 and was completed in March 1959. The dam is located two miles (3 km) above the junction of Coyote Creek and the Ventura River. Water from the Ventura River is diverted to Lake Casitas as well. The 334 foot (102 m) tall earthfill dam was built by the U.S. Bureau of Reclamation. It is a key part of the Ventura River Project. Construction was completed in 1959. Lake Casitas has a capacity of 254,000 acre-feet (313,000,000 m³) and stores water for irrigation and municipal use for those within the Casitas Municipal Water District.
General
| Project | Ventura River |
| Longitude | -119.3361 |
| Watercourse | Coyote Creek |
| Reservoir | Casitas |
| Original Construction | 1956-1959 |
| National ID Number | CA10139 |
| Latitude | 34.3700 |
Dimensions
| Hydraulic Height (Normal Operating Depth at Dam) | 261.0 ft |
| Crest Length | 2000.0 ft |
| Top of Active Conservation Pool (Elevation) | 567.0 ft |
| Spillway Crest Elevation | 567.0 ft |
| Top of Dead Storage Pool (Elevation) | 350.0 ft |
| Streambed at Dam Axis | 300.0 ft |
| Crest Elevation | 585.0 ft |
| Structural Height | 334.0 ft |
Hydraulics & Hydrology
| Normal Water Surface Elevation | 567.0 ft |
| Spillway Capacity at Elevation | 7400 cfs at 578.7 ft |
| Auxiliary Spillway | No |
| Outlet Works Capacity at Elevation | 570 cfs at 567.0 ft |
| Drainage Area | 38.3 sq mi |
| Hydrometeorological Report (HMR) | HMR 36 |
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