Meadowlark

EAST TENSLEEP CREEK· Washakie, Wyoming· Built 1938· Earth· 28 ft tall
High Hazard Recreation Fish And Wildlife Pond Federal Government

Key Takeaway

Meadowlark is classified as high hazard in Wyoming. It was completed in 1938 and is 88 years old. Its primary use is recreation. 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 28 ft (taller than 55% in WY)
Dam Length247 ft
Dam TypeEarth
Max Storage5.5K acre-ft
Normal Storage3.5K acre-ft
Surface Area276 acres
Drainage Area39 sq mi
Max Discharge1,990 cfs
Year Completed1938 (88 years old)
NID IDWY01334

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 7, 2020
State Regulated: Yes
Regulatory Agency: SEO

Ownership

USDA FS

Federal Government

Frequently Asked Questions

What is the hazard classification of Meadowlark?

Meadowlark 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 Meadowlark?

Meadowlark is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Meadowlark built?

Meadowlark was completed in 1938, making it 88 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 Meadowlark?

Meadowlark serves the following purposes: Recreation, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Meadowlark?

Meadowlark has a dam height of 28 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 Meadowlark last inspected?

Meadowlark was last inspected on October 7, 2020. 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.