Johnson Storage

HENRIEVILLE CREEK· Garfield, Utah· Built 1973· Earth·
Low Hazard Irrigation Private

Key Takeaway

Johnson Storage is classified as low hazard in Utah. It was completed in 1973 and is 53 years old. Its primary use is irrigation.

Physical Details

Dam Length1,600 ft
Dam TypeEarth
Max Storage76 acre-ft
Normal Storage52 acre-ft
Drainage Area0 sq mi
Year Completed1973 (53 years old)
NID IDUT00154

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: October 15, 2021
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

AFFILIATED MANAGEMENT COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Johnson Storage?

Johnson Storage is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Johnson Storage?

Johnson Storage is owned by AFFILIATED MANAGEMENT COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Johnson Storage built?

Johnson Storage was completed in 1973, making it 53 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 Johnson Storage?

Johnson Storage serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Johnson Storage last inspected?

Johnson Storage was last inspected on October 15, 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.