Rolfson

ROLFSON CREEK· Sanpete, Utah· Built 1934· Earth·
High Hazard Irrigation Private

Key Takeaway

Rolfson is classified as high hazard in Utah. It was completed in 1934 and is 92 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 Length855 ft
Dam TypeEarth
Max Storage1.2K acre-ft
Normal Storage900 acre-ft
Drainage Area3 sq mi
Max Discharge56 cfs
Year Completed1934 (92 years old)
NID IDUT00260

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: June 29, 2023
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

HUNTINGTON-CLEVELAND IRRIGATION COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rolfson?

Rolfson 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 Rolfson?

Rolfson is owned by HUNTINGTON-CLEVELAND IRRIGATION COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rolfson built?

Rolfson was completed in 1934, making it 92 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 Rolfson?

Rolfson 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 Rolfson last inspected?

Rolfson was last inspected on June 29, 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.