Tioga Lake Auxiliary
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | California |
| County | Mono |
| Nearest City | Lee Vining |
| River/Stream | Glacier Creek |
| Coordinates | 37.92860, -119.25290 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 50 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 1,254 acre-ft |
| Max Storage | 1,254 acre-ft |
| Normal Storage | 1,254 acre-ft |
| Surface Area | 73 acres |
| Max Discharge | 690 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Southern California Edison Company |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/19/2025 |
| Emergency Action Plan | Yes |