Cotner D.D.

TR-POLECAT CREEK· Creek, Oklahoma· Built 1970· Earth· 30 ft tall
Low Hazard Recreation Private

Key Takeaway

Cotner D.D. is classified as low hazard in Oklahoma. It was completed in 1970 and is 56 years old. Its primary use is recreation.

Physical Details

Dam Height 30 ft (taller than 54.9% in OK)
Dam Length630 ft
Dam TypeEarth
Max Storage90 acre-ft
Normal Storage40 acre-ft
Max Discharge2,700 cfs
Year Completed1970 (56 years old)
NID IDOK12712

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 30, 2011
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

JIM HARBESTON

Private

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Frequently Asked Questions

What is the hazard classification of Cotner D.D.?

Cotner D.D. 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 Cotner D.D.?

Cotner D.D. is owned by JIM HARBESTON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cotner D.D. built?

Cotner D.D. 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 Cotner D.D.?

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

How tall is Cotner D.D.?

Cotner D.D. 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 Cotner D.D. last inspected?

Cotner D.D. was last inspected on August 30, 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.