Cosgrove John Preston
Cosgrove John Preston is an earth dam located in Pittsburg County, Oklahoma, built in 1978. It carries a Low hazard potential classification.
About Cosgrove John Preston
The primary purpose of Cosgrove John Preston is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Tommy & Velma Boozer (private). It impounds the Tr-big Wildhorse Cr.
The dam stands 56 feet tall, creates a reservoir covering 24 acres, has a maximum storage capacity of 350 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1978, the structure is 48 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 06/08/2011. That was over 14 years ago.
At 56 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Oklahoma |
| County | Pittsburg |
| River/Stream | Tr-big Wildhorse Cr |
| Coordinates | 34.96366, -95.94248 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 56 ft |
| Dam Height | 50 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 350 acre-ft |
| Max Storage | 350 acre-ft |
| Normal Storage | 350 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | TOMMY & VELMA BOOZER |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 06/08/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21911 |
| Federal ID | OK21911 |
| More Info | State Dam Safety Program |