Cosgrove John Preston

TR-BIG WILDHORSE CR· Pittsburg, Oklahoma· Built 1978· Earth· 50 ft tall
Low Hazard Flood Risk Reduction Private

Key Takeaway

Cosgrove John Preston is classified as low hazard in Oklahoma. It was completed in 1978 and is 48 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 50 ft (taller than 94.2% in OK)
Dam TypeEarth
Max Storage350 acre-ft
Normal Storage350 acre-ft
Surface Area24 acres
Drainage Area1 sq mi
Year Completed1978 (48 years old)
NID IDOK21911

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: June 8, 2011
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

TOMMY & VELMA BOOZER

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cosgrove John Preston?

Cosgrove John Preston 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 Cosgrove John Preston?

Cosgrove John Preston is owned by TOMMY & VELMA BOOZER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cosgrove John Preston built?

Cosgrove John Preston was completed in 1978, making it 48 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 Cosgrove John Preston?

Cosgrove John Preston 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 Cosgrove John Preston?

Cosgrove John Preston has a dam height of 50 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 Cosgrove John Preston last inspected?

Cosgrove John Preston was last inspected on June 8, 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.