Onion Dam
Significant HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Nevada |
| County | Humboldt |
| Nearest City | NONE |
| River/Stream | EAST FORK ALDER CREEK |
| Coordinates | 41.69810, -118.74040 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 54 ft |
| Dam Height | 48 ft |
| Dam Length | 320 ft |
Storage & Hydraulics
| NID Storage | 1,500 acre-ft |
| Max Storage | 1,500 acre-ft |
| Normal Storage | 1,500 acre-ft |
| Surface Area | 101 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3,700 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ALDER CREEK RANCH LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 07/18/2022 |
| Emergency Action Plan | Yes |