Annabella East Detention Basin

Sevier, Utah· Built 2017· Earth·
Significant Hazard Flood Risk Reduction Local Government

Key Takeaway

Annabella East Detention Basin is classified as significant hazard in Utah. It was completed in 2017 and is 9 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam TypeEarth
Max Storage35 acre-ft
Normal Storage17 acre-ft
Drainage Area3 sq mi
Year Completed2017 (9 years old)
NID IDUT53863

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: Yes
Last Inspection: May 9, 2023
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

ANNABELLA TOWN WATER DEPARTMENT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Annabella East Detention Basin?

Annabella East Detention Basin 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 Annabella East Detention Basin?

Annabella East Detention Basin is owned by ANNABELLA TOWN WATER DEPARTMENT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Annabella East Detention Basin built?

Annabella East Detention Basin was completed in 2017, making it 9 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 Annabella East Detention Basin?

Annabella East Detention Basin 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 Annabella East Detention Basin last inspected?

Annabella East Detention Basin was last inspected on May 9, 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.