Izzenhood Dam

HUMBOLDT RIVER-OS· Lander, Nevada· Earth· 15 ft tall
Significant Hazard Irrigation Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

Izzenhood Dam is classified as significant hazard in Nevada. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 15 ft (taller than 25.4% in NV)
Dam Length100 ft
Dam TypeEarth
Max Storage600 acre-ft
Normal Storage100 acre-ft
Surface Area10 acres
Drainage Area19 sq mi
Max Discharge80 cfs
NID IDNV00058

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: October 7, 2021
State Regulated: Yes
Regulatory Agency: NEVADA DWR

Ownership

25 RANCH INC.

Private

Frequently Asked Questions

What is the hazard classification of Izzenhood Dam?

Izzenhood Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Izzenhood Dam?

Izzenhood Dam is owned by 25 RANCH INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Izzenhood Dam?

Izzenhood Dam serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Izzenhood Dam?

Izzenhood Dam has a dam height of 15 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Izzenhood Dam last inspected?

Izzenhood Dam was last inspected on October 7, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.