Warren Diversion

BIG CREEK PAYETTE RIVER· Valley, Idaho· Built 1924· 19 ft tall
Significant Hazard Irrigation Private

Key Takeaway

Warren Diversion is classified as significant hazard in Idaho. It was completed in 1924 and is 102 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 19 ft (taller than 24.4% in ID)
Dam Length100 ft
Normal Storage100 acre-ft
Surface Area25 acres
Drainage Area56 sq mi
Max Discharge908 cfs
Year Completed1924 (102 years old)
NID IDID00323

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: No
Last Inspection: July 2, 2018
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

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Frequently Asked Questions

What is the hazard classification of Warren Diversion?

Warren Diversion 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 Warren Diversion?

Warren Diversion is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Warren Diversion built?

Warren Diversion was completed in 1924, making it 102 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Warren Diversion?

Warren Diversion serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Warren Diversion?

Warren Diversion has a dam height of 19 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 Warren Diversion last inspected?

Warren Diversion was last inspected on July 2, 2018. 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.