Ash Creek

ASH CREEK· Washington, Utah· Built 1960· Rockfill·
High Hazard Irrigation Private

Key Takeaway

Ash Creek is classified as high hazard in Utah. It was completed in 1960 and is 66 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Length450 ft
Dam TypeRockfill
Max Storage12.3K acre-ft
Normal Storage3.2K acre-ft
Drainage Area134 sq mi
Max Discharge211 cfs
Year Completed1960 (66 years old)
NID IDUT00010

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: August 10, 2023
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

WASHINGTON COUNTY WATER CONSERVANCY DIST

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ash Creek?

Ash Creek is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Ash Creek?

Ash Creek is owned by WASHINGTON COUNTY WATER CONSERVANCY DIST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ash Creek built?

Ash Creek was completed in 1960, making it 66 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 Ash Creek?

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

When was Ash Creek last inspected?

Ash Creek was last inspected on August 10, 2023. 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.