Scs-tri-county Turkey Creek Site-12 is an earth dam located in Harmon County, Oklahoma, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 780 ft long, taller than 76% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Scs-tri-county Turkey Creek Site-12
The primary purpose of Scs-tri-county Turkey Creek Site-12 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 Harmon Co Cons Dist (state). It impounds the Tr-turkey Creek near Duke.
The dam stands 33 feet tall and stretches 780 feet across, creates a reservoir covering 16 acres, and has a maximum storage capacity of 129 acre-feet. Completed in 1966, the structure is well into its service life at over 50 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 06/02/1988. That was over 38 years ago.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Oklahoma |
| County | Harmon |
| Nearest City | Duke |
| River/Stream | Tr-turkey Creek |
| Coordinates | 34.67835, -99.67136 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 780 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 129 acre-ft |
| Max Storage | 129 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 16 acres |
| Max Discharge | 698 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Harmon Co Cons Dist |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/02/1988 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK01373 |
| Federal ID | OK01373 |
| More Info | State Dam Safety Program |