Quail Creek South Dam

VIRGIN RIVER DIVERSION· Washington, Utah· Built 1990· Gravity·
High Hazard Water Supply Local Government

Key Takeaway

Quail Creek South Dam is classified as high hazard in Utah. It was completed in 1990 and is 36 years old. Its primary use is water supply. 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 Length2,050 ft
Dam TypeGravity
Max Storage37.0K acre-ft
Normal Storage33.0K acre-ft
Drainage Area78 sq mi
Max Discharge1,000 cfs
Year Completed1990 (36 years old)
NID IDUT00710

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: October 24, 2023
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

WASHINGTON COUNTY WATER CONSERVANCY DIST

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Quail Creek South Dam?

Quail Creek South Dam 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 Quail Creek South Dam?

Quail Creek South Dam is owned by WASHINGTON COUNTY WATER CONSERVANCY DIST (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Quail Creek South Dam built?

Quail Creek South Dam was completed in 1990, making it 36 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 Quail Creek South Dam?

Quail Creek South Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Quail Creek South Dam last inspected?

Quail Creek South Dam was last inspected on October 24, 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.