Harold Reservoir
California — Los Angeles County — Tr Antelope Val
Location
| State | California |
| County | Los Angeles |
| River | Tr Antelope Val |
| Coordinates | 34.54610, -118.11150 |
Physical Characteristics
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 2,800 ft |
| NID Storage | 3,870 acre-ft |
| Max Storage | 3,870 acre-ft |
| Surface Area | 218 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | May 1, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1891 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Public Utility |
| Owner | Palmdale Water District |
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.