Amelia No. 1

ALUM CREEK· Niobrara, Wyoming· Built 1961· Earth· 24 ft tall

Key Takeaway

Amelia No. 1 is classified as low hazard in Wyoming. It was completed in 1961 and is 65 years old. Its primary use is fire protection.

Physical Details

Dam Height 24 ft (taller than 35.6% in WY)
Dam Length460 ft
Dam TypeEarth
Max Storage125 acre-ft
Normal Storage71 acre-ft
Surface Area10 acres
Drainage Area16 sq mi
Max Discharge0 cfs
Year Completed1961 (65 years old)
NID IDWY00531

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 26, 2023
State Regulated: Yes
Regulatory Agency: SEO

Ownership

D & B MOEN RANCH, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Amelia No. 1?

Amelia No. 1 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Amelia No. 1?

Amelia No. 1 is owned by D & B MOEN RANCH, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Amelia No. 1 built?

Amelia No. 1 was completed in 1961, making it 65 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 Amelia No. 1?

Amelia No. 1 serves the following purposes: 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 Amelia No. 1?

Amelia No. 1 has a dam height of 24 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 Amelia No. 1 last inspected?

Amelia No. 1 was last inspected on June 26, 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.