Matanzas Creek
California — Sonoma County — Matanzas Creek
Location
| State | California |
| County | Sonoma |
| River | Matanzas Creek |
| Coordinates | 38.40630, -122.65200 |
Physical Characteristics
| NID Height | 95 ft |
| Dam Height | 95 ft |
| Dam Length | 685 ft |
| NID Storage | 1,500 acre-ft |
| Max Storage | 1,500 acre-ft |
| Surface Area | 62 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | May 15, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1963 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Sonoma County Water 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.