Stone Ralph

TR-PETTIQUAH CREEK· Okfuskee, Oklahoma· Built 1970· Earth· 28 ft tall
Low Hazard Irrigation Private

Key Takeaway

Stone Ralph is classified as low hazard in Oklahoma. It was completed in 1970 and is 56 years old. Its primary use is irrigation.

Physical Details

Dam Height 28 ft (taller than 47.3% in OK)
Dam Length600 ft
Dam TypeEarth
Max Storage170 acre-ft
Normal Storage80 acre-ft
Surface Area4 acres
Max Discharge2,000 cfs
Year Completed1970 (56 years old)
NID IDOK12737

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: May 25, 2011
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

GUY & MEVELENE WILSON

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Stone Ralph?

Stone Ralph 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 Stone Ralph?

Stone Ralph is owned by GUY & MEVELENE WILSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Stone Ralph built?

Stone Ralph was completed in 1970, making it 56 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 Stone Ralph?

Stone Ralph 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 Stone Ralph?

Stone Ralph 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 Stone Ralph last inspected?

Stone Ralph was last inspected on May 25, 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.