Delamar Wmp-1

HENRIETTA DRAINAGE JORDAN CREEK· Owyhee, Idaho· Built 2009· 42 ft tall
Low Hazard Tailings Private

Key Takeaway

Delamar Wmp-1 is classified as low hazard in Idaho. It was completed in 2009 and is 17 years old. Its primary use is tailings.

Physical Details

Dam Height 42 ft (taller than 72.8% in ID)
Normal Storage376 acre-ft
Surface Area51 acres
Year Completed2009 (17 years old)
NID IDID00716

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: April 21, 2016
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Delamar Wmp-1?

Delamar Wmp-1 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Delamar Wmp-1?

Delamar Wmp-1 is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Delamar Wmp-1 built?

Delamar Wmp-1 was completed in 2009, making it 17 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 Delamar Wmp-1?

Delamar Wmp-1 serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Delamar Wmp-1?

Delamar Wmp-1 has a dam height of 42 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 Delamar Wmp-1 last inspected?

Delamar Wmp-1 was last inspected on April 21, 2016. 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.