Scs-little Washita River Site-20
Scs-little Washita River Site-20 is a dam located in Comanche County, Oklahoma, built in 1960. It carries a Low hazard potential classification.
About Scs-little Washita River Site-20
The primary purpose of Scs-little Washita River Site-20 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 Comanche Co Cons Dist (state). It impounds the Tr Little Washita River.
The dam stands 45 feet tall and stretches 1,115 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 260 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1960, 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 45 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Oklahoma |
| County | Comanche |
| River/Stream | Tr Little Washita River |
| Coordinates | 34.83462, -98.14848 |
Physical Characteristics
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 1,115 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 260 acre-ft |
| Max Storage | 260 acre-ft |
| Normal Storage | 133 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 878 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | COMANCHE 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 | OK22104 |
| Federal ID | OK22104 |
| More Info | State Dam Safety Program |