Upper Monarch Lake
California — Tulare County — Efk Kaweah R
Location
| State | California |
| County | Tulare |
| River | Efk Kaweah R |
| Coordinates | 36.45210, -118.56320 |
Physical Characteristics
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 263 ft |
| NID Storage | 314 acre-ft |
| Max Storage | 314 acre-ft |
| Surface Area | 17 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | No |
| Last Inspection | September 10, 2025 |
| Inspection Frequency | 0.5 |
Dam Information
| Year Completed | 1905 |
| Primary Purpose | Water Supply |
| Dam Type | Gravity |
| Owner Type | Private |
| Owner | Southern California Edison |
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.