Scs-little Washita River Site-07
Scs-little Washita River Site-07 is an earth dam located in Grady County, Oklahoma, built in 1973. It carries a Low hazard potential classification.
About Scs-little Washita River Site-07
The primary purpose of Scs-little Washita River Site-07 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-little Washita Riv near Ninnekah.
The dam stands 35 feet tall and stretches 900 feet across, creates a reservoir covering 16 acres, and has a maximum storage capacity of 277 acre-feet. Completed in 1973, 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 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Oklahoma |
| County | Grady |
| Nearest City | Ninnekah |
| River/Stream | Tr-little Washita Riv |
| Coordinates | 34.92054, -97.96744 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 900 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 277 acre-ft |
| Max Storage | 277 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 16 acres |
| Max Discharge | 630 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | GRADY CO CONS DIST |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 01/01/1980 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK20849 |
| Federal ID | OK20849 |
| More Info | State Dam Safety Program |