Richard No. 1

RICHEAU CREEK· Platte, Wyoming· Built 1964· Earth· 30 ft tall
Low Hazard Irrigation Private

Key Takeaway

Richard No. 1 is classified as low hazard in Wyoming. It was completed in 1964 and is 62 years old. Its primary use is irrigation.

Physical Details

Dam Height 30 ft (taller than 63.1% in WY)
Dam Length1,387 ft
Dam TypeEarth
Max Storage203 acre-ft
Normal Storage118 acre-ft
Surface Area15 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1964 (62 years old)
NID IDWY00090

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 29, 2021
State Regulated: Yes
Regulatory Agency: SEO

Ownership

MICHAEL & VALORIE HEATHERLY

Private

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Frequently Asked Questions

What is the hazard classification of Richard No. 1?

Richard 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 Richard No. 1?

Richard No. 1 is owned by MICHAEL & VALORIE HEATHERLY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Richard No. 1 built?

Richard No. 1 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 Richard No. 1?

Richard No. 1 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 Richard No. 1?

Richard No. 1 has a dam height of 30 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 Richard No. 1 last inspected?

Richard No. 1 was last inspected on June 29, 2021. 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.