Gr Overton

ELM FORK OF THE RED RIVER· Harmon, Oklahoma· Built 1991· Earth· 25 ft tall
Low Hazard Flood Risk Reduction Private

Key Takeaway

Gr Overton is classified as low hazard in Oklahoma. It was completed in 1991 and is 35 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 25 ft (taller than 29.9% in OK)
Dam Length50 ft
Dam TypeEarth
Max Storage90 acre-ft
Normal Storage23 acre-ft
Drainage Area1 sq mi
Max Discharge470 cfs
Year Completed1991 (35 years old)
NID IDOK22206

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: November 29, 2010
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

ERNIE ADAMS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Gr Overton?

Gr Overton 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 Gr Overton?

Gr Overton is owned by ERNIE ADAMS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Gr Overton built?

Gr Overton was completed in 1991, making it 35 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 Gr Overton?

Gr Overton serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Gr Overton?

Gr Overton has a dam height of 25 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 Gr Overton last inspected?

Gr Overton was last inspected on November 29, 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.