Sheppard Roy

TR-WASHITA RIVER· Custer, Oklahoma· Built 1979· Earth· 34 ft tall
Low Hazard Other Private

Key Takeaway

Sheppard Roy is classified as low hazard in Oklahoma. It was completed in 1979 and is 47 years old. Its primary use is other.

Physical Details

Dam Height 34 ft (taller than 70.5% in OK)
Dam Length342 ft
Dam TypeEarth
Max Storage130 acre-ft
Normal Storage50 acre-ft
Max Discharge1,230 cfs
Year Completed1979 (47 years old)
NID IDOK21053

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 8, 2011
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

3 S LAND & CATTLE LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sheppard Roy?

Sheppard Roy 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 Sheppard Roy?

Sheppard Roy is owned by 3 S LAND & CATTLE LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sheppard Roy built?

Sheppard Roy was completed in 1979, making it 47 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 Sheppard Roy?

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

How tall is Sheppard Roy?

Sheppard Roy has a dam height of 34 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 Sheppard Roy last inspected?

Sheppard Roy was last inspected on June 8, 2011. 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.