Fourmile Debris Basin-Harrisville Dam

Weber, Utah· Earth·
Significant Hazard Flood Risk Reduction Private

Key Takeaway

Fourmile Debris Basin-Harrisville 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 TypeEarth
Drainage Area0 sq mi
NID IDUT00738

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: June 30, 2021
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

HARRISVILLE CITY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Fourmile Debris Basin-Harrisville Dam?

Fourmile Debris Basin-Harrisville 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 Fourmile Debris Basin-Harrisville Dam?

Fourmile Debris Basin-Harrisville Dam is owned by HARRISVILLE CITY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Fourmile Debris Basin-Harrisville Dam?

Fourmile Debris Basin-Harrisville 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 Fourmile Debris Basin-Harrisville Dam last inspected?

Fourmile Debris Basin-Harrisville Dam was last inspected on June 30, 2021. 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.