Izzenhood Dam
Izzenhood Dam is an earth dam located in Lander County, Nevada. It carries a Significant hazard potential classification and has a fair condition assessment.
About Izzenhood Dam
The primary purpose of Izzenhood Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by 25 Ranch Inc. (private). It impounds the Humboldt River-os near Red House.
The dam stands 16 feet tall and stretches 100 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 600 acre-feet, and collects water from a drainage area of 18 square miles.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 10/07/2021.
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Location
| State | Nevada |
| County | Lander |
| Nearest City | Red House |
| River/Stream | Humboldt River-os |
| Coordinates | 40.92078, -116.90272 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 15 ft |
| Dam Length | 100 ft |
Storage & Hydraulics
| NID Storage | 600 acre-ft |
| Max Storage | 600 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 18 sq mi |
| Max Discharge | 80 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | 25 RANCH INC. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/07/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NV00058 |
| Federal ID | NV00058 |
| More Info | State Dam Safety Program |