O'Neill Forebay Dam
California — Merced County — SAN LUIS CREEK
Location
| State | California |
| County | Merced |
| River | SAN LUIS CREEK |
| Coordinates | 37.08810, -121.04200 |
Physical Characteristics
| NID Height | 88 ft |
| Dam Height | 88 ft |
| Dam Length | 14,300 ft |
| NID Storage | 64,800 acre-ft |
| Max Storage | 64,800 acre-ft |
| Surface Area | 2,250 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | May 17, 2023 |
| Inspection Frequency | 4 |
Dam Information
| Year Completed | 1967 |
| Primary Purpose | Hydroelectric |
| Dam Type | Earth |
| Owner Type | Federal |
| Owner | BUREAU OF RECLAMATION |
| Other Name | O'Neill Forebay |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.