Scs-tri-county Turkey Creek Site-21
Scs-tri-county Turkey Creek Site-21 is an earth dam located in Harmon County, Oklahoma, built in 1967. It carries a Low hazard potential classification.
About Scs-tri-county Turkey Creek Site-21
The primary purpose of Scs-tri-county Turkey Creek Site-21 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-cottonwood Creek near Duke.
The dam stands 25 feet tall and stretches 1,930 feet across, creates a reservoir covering 30 acres, and has a maximum storage capacity of 384 acre-feet. Completed in 1967, 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 37 years ago.
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Location
| State | Oklahoma |
| County | Harmon |
| Nearest City | Duke |
| River/Stream | Tr-cottonwood Creek |
| Coordinates | 34.64086, -99.67639 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,930 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 384 acre-ft |
| Max Storage | 384 acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 30 acres |
| Max Discharge | 1,916 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | HARMON CO CONS DIST |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 06/02/1988 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK01375 |
| Federal ID | OK01375 |
| More Info | State Dam Safety Program |