Oknoname 059060

TR SLEEPING BEAR CR· Harper, Oklahoma· Built 1960· Earth· 31 ft tall
Low Hazard Other Private

Key Takeaway

Oknoname 059060 is classified as low hazard in Oklahoma. It was completed in 1960 and is 66 years old. Its primary use is other.

Physical Details

Dam Height 31 ft (taller than 63% in OK)
Dam Length365 ft
Dam TypeEarth
Max Storage70 acre-ft
Normal Storage20 acre-ft
Surface Area4 acres
Max Discharge1,380 cfs
Year Completed1960 (66 years old)
NID IDOK12611

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 15, 2011
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

DOROTHY SUE HOFFMAN TRUST

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Oknoname 059060?

Oknoname 059060 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 Oknoname 059060?

Oknoname 059060 is owned by DOROTHY SUE HOFFMAN TRUST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Oknoname 059060 built?

Oknoname 059060 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.

What is the primary purpose of Oknoname 059060?

Oknoname 059060 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 Oknoname 059060?

Oknoname 059060 has a dam height of 31 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 Oknoname 059060 last inspected?

Oknoname 059060 was last inspected on August 15, 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.