Williams

NORTH COTTONWOOD CREEK COTTONWOOD CREEK· Twin Falls, Idaho· Built 1952· 53 ft tall
Significant Hazard Irrigation Private

Key Takeaway

Williams is classified as significant hazard in Idaho. It was completed in 1952 and is 74 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 53 ft (taller than 80.5% in ID)
Dam Length415 ft
Normal Storage1.0K acre-ft
Surface Area60 acres
Drainage Area3 sq mi
Max Discharge3,400 cfs
Year Completed1952 (74 years old)
NID IDID00047

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: May 24, 2018
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Williams?

Williams 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 Williams?

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

When was Williams built?

Williams was completed in 1952, making it 74 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 Williams?

Williams 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 Williams?

Williams has a dam height of 53 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 Williams last inspected?

Williams was last inspected on May 24, 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.