Big East

WIMMER RANCH CREEK-OFFSTREAM· Utah, Utah· Built 1898· Earth·
High Hazard Irrigation Private

Key Takeaway

Big East is classified as high hazard in Utah. It was completed in 1898 and is 128 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 Length475 ft
Dam TypeEarth
Max Storage980 acre-ft
Normal Storage414 acre-ft
Drainage Area1 sq mi
Max Discharge66 cfs
Year Completed1898 (128 years old)
NID IDUT00034

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: October 4, 2023
State Regulated: Yes
Regulatory Agency: Utah Division of Water Rights

Ownership

PAYSON CITY CORPORATION

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Big East?

Big East 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 Big East?

Big East is owned by PAYSON CITY CORPORATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Big East built?

Big East was completed in 1898, making it 128 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 Big East?

Big East 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 Big East last inspected?

Big East was last inspected on October 4, 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.