Percy Harry

TR-ONE HORSE CR· Dewey, Oklahoma· Built 1980· Earth· 34 ft tall
Unknown Other Private

Key Takeaway

Percy Harry is classified as unknown in Oklahoma. It was completed in 1980 and is 46 years old. Its primary use is other.

Physical Details

Dam Height 34 ft (taller than 70.5% in OK)
Dam TypeEarth
Max Storage56 acre-ft
Normal Storage26 acre-ft
Surface Area2 acres
Drainage Area320 sq mi
Year Completed1980 (46 years old)
NID IDOK21624

Safety Information

Unknown

Hazard potential has not been determined.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: August 4, 2006
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

HARRY PERCY

Private

Nearby Dams

Oknoname 30127

Custer, OK

Low Hazard 30 ft

Noel Kaiser Dam

Custer, OK

Low Hazard 42 ft

Oknoname 30219

Dewey, OK

Low Hazard 31 ft

K4 Ranch Dam

Dewey, OK

Low Hazard 62 ft

Lyle Combs

Custer, OK

Low Hazard 39 ft

Cravens

Dewey, OK

Low Hazard 21 ft

Boggess No 2

Dewey, OK

Low Hazard 25 ft

Oakes No 1

Dewey, OK

Low Hazard 30 ft

Frequently Asked Questions

What is the hazard classification of Percy Harry?

Percy Harry is classified as Unknown. Hazard potential has not been determined. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Percy Harry?

Percy Harry is owned by HARRY PERCY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Percy Harry built?

Percy Harry was completed in 1980, making it 46 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 Percy Harry?

Percy Harry 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 Percy Harry?

Percy Harry has a dam height of 34 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 Percy Harry last inspected?

Percy Harry was last inspected on August 4, 2006. 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.