San Lorenzo Creek
California — Alameda County — San Lorenzo Creek
Location
| State | California |
| County | Alameda |
| River | San Lorenzo Creek |
| Coordinates | 37.69100, -122.05530 |
Physical Characteristics
| NID Height | 65 ft |
| Dam Height | 65 ft |
| Dam Length | 385 ft |
| NID Storage | 380 acre-ft |
| Max Storage | 380 acre-ft |
| Surface Area | 24 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | September 30, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1964 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Alameda County Public Works Agency |
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.