Walton Allen

TR-ROCK HOLLOW CREEK· Grady, Oklahoma· Built 1950· Earth· 30 ft tall
Low Hazard Other Private

Key Takeaway

Walton Allen is classified as low hazard in Oklahoma. It was completed in 1950 and is 76 years old. Its primary use is other.

Physical Details

Dam Height 30 ft (taller than 54.9% in OK)
Dam Length310 ft
Dam TypeEarth
Max Storage130 acre-ft
Normal Storage65 acre-ft
Surface Area1 acres
Max Discharge530 cfs
Year Completed1950 (76 years old)
NID IDOK12907

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: August 31, 2010
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

RICHARD L ALLEN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Walton Allen?

Walton Allen 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 Walton Allen?

Walton Allen is owned by RICHARD L ALLEN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Walton Allen built?

Walton Allen was completed in 1950, making it 76 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 Walton Allen?

Walton Allen 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 Walton Allen?

Walton Allen 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 Walton Allen last inspected?

Walton Allen was last inspected on August 31, 2010. 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.