Cooper #23

Harper, Oklahoma· Built 1960· 26 ft tall
Low Hazard Private

Key Takeaway

Cooper #23 is classified as low hazard in Oklahoma. It was completed in 1960 and is 66 years old.

Physical Details

Dam Height 26 ft (taller than 38.9% in OK)
Dam Length140 ft
Normal Storage18 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Year Completed1960 (66 years old)
NID IDOK83818

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
State Regulated: No

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cooper #23?

Cooper #23 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 Cooper #23?

Cooper #23 is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cooper #23 built?

Cooper #23 was completed in 1960, making it 66 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Cooper #23?

Cooper #23 has a dam height of 26 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.

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.