Scs-upper Washita Creek Site-056 is an earth dam located in Roger Mills County, Oklahoma, built in 1961. It carries a Low hazard potential classification.
Dam profile
NID height · 36 ft36 ft tall and 1,016 ft long, taller than 82% 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-upper Washita Creek Site-056
The primary purpose of Scs-upper Washita Creek Site-056 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 Upper Washita Cons Dist (state). It impounds the Tr-washita River near Cheyenne.
The dam stands 36 feet tall and stretches 1,016 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 231 acre-feet. Completed in 1961, 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 01/01/1980. That was over 46 years ago.
At 36 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Oklahoma |
| County | Roger Mills |
| Nearest City | Cheyenne |
| River/Stream | Tr-washita River |
| Coordinates | 35.67422, -99.75048 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 1,016 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 231 acre-ft |
| Max Storage | 231 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 10 acres |
| Max Discharge | 1,030 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Upper Washita Cons Dist |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/01/1980 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK00957 |
| Federal ID | OK00957 |
| More Info | State Dam Safety Program |