Deep Lake (Sanpete)

SOUTH FORK TWELVE-MILE CREEK· Sanpete, Utah· Built 1931· Earth·
Significant Hazard Irrigation Private

Key Takeaway

Deep Lake (Sanpete) is classified as significant hazard in Utah. It was completed in 1931 and is 95 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Length120 ft
Dam TypeEarth
Max Storage240 acre-ft
Normal Storage240 acre-ft
Drainage Area0 sq mi
Year Completed1931 (95 years old)
NID IDUT00086

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: July 19, 2022
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

DIVISION OF WILDLIFE RESOURCES

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Deep Lake (Sanpete)?

Deep Lake (Sanpete) 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 Deep Lake (Sanpete)?

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

When was Deep Lake (Sanpete) built?

Deep Lake (Sanpete) was completed in 1931, making it 95 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 Deep Lake (Sanpete)?

Deep Lake (Sanpete) 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 Deep Lake (Sanpete) last inspected?

Deep Lake (Sanpete) was last inspected on July 19, 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.