Moab City Johnson Canyon Retention Dam

JOHNSON CANYON (DRY WASH)· Grand, Utah· Masonry·
Significant Hazard Flood Risk Reduction Local Government

Key Takeaway

Moab City Johnson Canyon Retention Dam is classified as significant hazard in Utah. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam TypeMasonry
Drainage Area1 sq mi
NID IDUT00637

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 7, 2004
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

MOAB CITY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Moab City Johnson Canyon Retention Dam?

Moab City Johnson Canyon Retention Dam 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 Moab City Johnson Canyon Retention Dam?

Moab City Johnson Canyon Retention Dam is owned by MOAB CITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Moab City Johnson Canyon Retention Dam?

Moab City Johnson Canyon Retention Dam 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 Moab City Johnson Canyon Retention Dam last inspected?

Moab City Johnson Canyon Retention Dam was last inspected on May 7, 2004. 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.