Long Valley
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Mono |
| Nearest City | Bishop |
| River/Stream | Owens River |
| Coordinates | 37.58720, -118.70640 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 126 ft |
| Dam Height | 126 ft |
| Dam Length | 595 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 183,465 acre-ft |
| Max Storage | 183,465 acre-ft |
| Surface Area | 5,280 acres |
| Drainage Area | 437 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Los Angeles Department of Water and Power |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/23/2024 |
| Emergency Action Plan | Yes |