Twitchell Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | California |
| County | Santa Barbara |
| Nearest City | SANTA MARIA |
| River/Stream | CUYAMA RIVER |
| Coordinates | 34.98620, -120.32400 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 241 ft |
| Dam Height | 241 ft |
| Dam Length | 1,804 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 398,120 acre-ft |
| Max Storage | 398,120 acre-ft |
| Normal Storage | 151,050 acre-ft |
| Surface Area | 9,448 acres |
| Drainage Area | 1,121 sq mi |
| Max Discharge | 26,350 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 08/24/2020 |
| Emergency Action Plan | Yes |