Scs-little Washita River Site-15 is an earth dam located in Grady County, Oklahoma, built in 1978. It carries a Low hazard potential classification.
Dam profile
NID height · 37 ft37 ft tall and 820 ft long, taller than 83% 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-little Washita River Site-15
The primary purpose of Scs-little Washita River Site-15 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 Grady Co Cons Dist (state). It impounds the Tr-charlie Cr near Ninnekah.
The dam stands 37 feet tall and stretches 820 feet across, creates a reservoir covering 38 acres, and has a maximum storage capacity of 1,007 acre-feet. 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 01/01/1980. That was over 46 years ago.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Oklahoma |
| County | Grady |
| Nearest City | Ninnekah |
| River/Stream | Tr-charlie Cr |
| Coordinates | 34.79562, -98.06223 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 820 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 1,007 acre-ft |
| Max Storage | 1,007 acre-ft |
| Normal Storage | 190 acre-ft |
| Surface Area | 38 acres |
| Max Discharge | 570 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Grady Co 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 | OK20830 |
| Federal ID | OK20830 |
| More Info | State Dam Safety Program |