Pruess Lake

LAKE CREEK· Millard, Utah· Built 1900· Earth·
Significant Hazard Irrigation Private

Key Takeaway

Pruess Lake is classified as significant hazard in Utah. It was completed in 1900 and is 126 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Length380 ft
Dam TypeEarth
Max Storage12.9K acre-ft
Normal Storage11.8K acre-ft
Drainage Area999 sq mi
Year Completed1900 (126 years old)
NID IDUT00168

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: April 20, 2023
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

BAKER RANCHES, INC.

Private

Frequently Asked Questions

What is the hazard classification of Pruess Lake?

Pruess Lake 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 Pruess Lake?

Pruess Lake is owned by BAKER RANCHES, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Pruess Lake built?

Pruess Lake was completed in 1900, making it 126 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 Pruess Lake?

Pruess Lake 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 Pruess Lake last inspected?

Pruess Lake was last inspected on April 20, 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.