Scs-little Washita River Site-06
Scs-little Washita River Site-06 is an earth dam located in Grady County, Oklahoma, built in 1974. It carries a Significant hazard potential classification and has a fair condition assessment.
About Scs-little Washita River Site-06
The primary purpose of Scs-little Washita River Site-06 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 32 feet tall and stretches 880 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 294 acre-feet. Completed in 1974, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 11/28/2011. That was over 14 years ago.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Oklahoma |
| County | Grady |
| Nearest City | Ninnekah |
| River/Stream | Tr-little Washita Riv |
| Coordinates | 34.92161, -97.94979 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 880 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 294 acre-ft |
| Max Storage | 294 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 10 acres |
| Max Discharge | 1,400 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | GRADY CO CONS DIST |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 11/28/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK20848 |
| Federal ID | OK20848 |
| More Info | State Dam Safety Program |