Otter Creek

OTTER CREEK· Piute, Utah· Built 1897· Earth·
High Hazard Irrigation Private

Key Takeaway

Otter Creek is classified as high hazard in Utah. It was completed in 1897 and is 129 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Length1,220 ft
Dam TypeEarth
Max Storage71.8K acre-ft
Normal Storage52.7K acre-ft
Drainage Area364 sq mi
Max Discharge670 cfs
Year Completed1897 (129 years old)
NID IDUT00235

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: July 13, 2023
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

OTTER CREEK RESERVOIR COMPANY

Private

Frequently Asked Questions

What is the hazard classification of Otter Creek?

Otter Creek is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Otter Creek?

Otter Creek is owned by OTTER CREEK RESERVOIR COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Otter Creek built?

Otter Creek was completed in 1897, making it 129 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 Otter Creek?

Otter Creek 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 Otter Creek last inspected?

Otter Creek was last inspected on July 13, 2023. 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.