Topaz Lake
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Mono |
| Nearest City | Yerington, Nevada |
| River/Stream | Walker River |
| Coordinates | 38.64990, -119.50140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 11,100 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 59,600 acre-ft |
| Max Storage | 59,600 acre-ft |
| Surface Area | 2,200 acres |
| Drainage Area | 410 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Walker River Irrigation District |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/22/2025 |
| Emergency Action Plan | Yes |