Big Wash

Beaver, Utah· Built 1943· Gravity·
Low Hazard Flood Risk Reduction Federal Government

Key Takeaway

Big Wash is classified as low hazard in Utah. It was completed in 1943 and is 83 years old. Its primary use is flood risk reduction.

Physical Details

Dam Length742 ft
Dam TypeGravity
Max Storage97 acre-ft
Normal Storage97 acre-ft
Surface Area0 acres
Year Completed1943 (83 years old)
NID IDUT00357

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: September 24, 2012
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Big Wash?

Big Wash 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 Big Wash?

Big Wash is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Big Wash built?

Big Wash was completed in 1943, making it 83 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 Big Wash?

Big Wash serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Big Wash last inspected?

Big Wash was last inspected on September 24, 2012. 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.