Elsie

MOSS AGATE CREEK· Converse, Wyoming· Built 1975· Earth· 39 ft tall
Significant Hazard Irrigation Private

Key Takeaway

Elsie is classified as significant hazard in Wyoming. It was completed in 1975 and is 51 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 39 ft (taller than 85.9% in WY)
Dam Length328 ft
Dam TypeEarth
Max Storage51 acre-ft
Normal Storage51 acre-ft
Surface Area6 acres
Drainage Area2 sq mi
Max Discharge5,597 cfs
Year Completed1975 (51 years old)
NID IDWY01338

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: No
Last Inspection: May 18, 2023
State Regulated: Yes
Regulatory Agency: SEO

Ownership

ELSIE DEININGER

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Elsie?

Elsie 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 Elsie?

Elsie is owned by ELSIE DEININGER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Elsie built?

Elsie was completed in 1975, making it 51 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 Elsie?

Elsie serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Elsie?

Elsie has a dam height of 39 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 Elsie last inspected?

Elsie was last inspected on May 18, 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.