Olsen

MARSING WASH· Emery, Utah· Earth·
Low Hazard Irrigation Private

Key Takeaway

Olsen is classified as low hazard in Utah. Its primary use is irrigation.

Physical Details

Dam Length350 ft
Dam TypeEarth
Max Storage200 acre-ft
Normal Storage150 acre-ft
Drainage Area22 sq mi
NID IDUT00427

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: May 12, 2022
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

UTAH DIVISION OF WILDLIFE RESOURCES

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Olsen?

Olsen 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 Olsen?

Olsen is owned by UTAH DIVISION OF WILDLIFE RESOURCES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Olsen?

Olsen 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 Olsen last inspected?

Olsen was last inspected on May 12, 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.