Lake Herman
California — Solano County — Sulphur Springs Cr
Location
| State | California |
| County | Solano |
| River | Sulphur Springs Cr |
| Coordinates | 38.09530, -122.15020 |
Physical Characteristics
| NID Height | 51 ft |
| Dam Height | 51 ft |
| Dam Length | 700 ft |
| NID Storage | 2,210 acre-ft |
| Max Storage | 2,210 acre-ft |
| Surface Area | 110 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | October 16, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1905 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | City of Benicia |
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.