Dejarnatt

BLUE CREEK· Box Elder, Utah· Built 1967· Earth·
Significant Hazard Flood Risk Reduction Private

Key Takeaway

Dejarnatt is classified as significant hazard in Utah. It was completed in 1967 and is 59 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Length1,389 ft
Dam TypeEarth
Max Storage1.4K acre-ft
Normal Storage385 acre-ft
Drainage Area73 sq mi
Max Discharge72 cfs
Year Completed1967 (59 years old)
NID IDUT00089

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 16, 2022
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

BLUE CREEK IRRIGATION COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dejarnatt?

Dejarnatt 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 Dejarnatt?

Dejarnatt is owned by BLUE CREEK IRRIGATION COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dejarnatt built?

Dejarnatt was completed in 1967, making it 59 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 Dejarnatt?

Dejarnatt 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 Dejarnatt last inspected?

Dejarnatt was last inspected on June 16, 2022. 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.