Silver Lake

SILVER CREEK· Sublette, Wyoming· Built 1953· Earth· 22 ft tall

Key Takeaway

Silver Lake is classified as high hazard in Wyoming. It was completed in 1953 and is 73 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 22 ft (taller than 28.8% in WY)
Dam Length280 ft
Dam TypeEarth
Max Storage3.0K acre-ft
Normal Storage2.2K acre-ft
Surface Area180 acres
Drainage Area8 sq mi
Max Discharge784 cfs
Year Completed1953 (73 years old)
NID IDWY01194

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: No
Last Inspection: July 23, 2019
State Regulated: Yes
Regulatory Agency: SEO

Ownership

SILVER LAKE IRRIGATION DISTRICT

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Silver Lake?

Silver Lake 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 Silver Lake?

Silver Lake is owned by SILVER LAKE IRRIGATION DISTRICT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Silver Lake built?

Silver Lake was completed in 1953, making it 73 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 Silver Lake?

Silver Lake serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Silver Lake?

Silver Lake has a dam height of 22 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 Silver Lake last inspected?

Silver Lake was last inspected on July 23, 2019. 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.