Sulphur Creek

SULPHUR CREEK· Uinta, Wyoming· Built 1964· Earth· 85 ft tall

Key Takeaway

Sulphur Creek is classified as high hazard in Wyoming. It was completed in 1964 and is 62 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 Height 85 ft (taller than 97.7% in WY)
Dam Length4,725 ft
Dam TypeEarth
Max Storage19.8K acre-ft
Normal Storage19.8K acre-ft
Surface Area632 acres
Drainage Area63 sq mi
Max Discharge200 cfs
Year Completed1964 (62 years old)
Year Modified1988
NID IDWY01196

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 24, 2023
State Regulated: Yes
Regulatory Agency: SEO

Ownership

CITY OF EVANSTON

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sulphur Creek?

Sulphur 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 Sulphur Creek?

Sulphur Creek is owned by CITY OF EVANSTON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sulphur Creek built?

Sulphur Creek was completed in 1964, making it 62 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 Sulphur Creek?

Sulphur Creek serves the following purposes: Irrigation, Other, Fish And Wildlife Pond, Water Supply, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Sulphur Creek?

Sulphur Creek has a dam height of 85 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Sulphur Creek last inspected?

Sulphur Creek was last inspected on July 24, 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.