Scs-little Washita River Site-50 is an earth dam located in Comanche County, Oklahoma, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 45 ft45 ft tall and 1,040 ft long, taller than 90% 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-50
The primary purpose of Scs-little Washita River Site-50 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 Washita near Cedar Grove.
The dam stands 45 feet tall and stretches 1,040 feet across, creates a reservoir covering 17 acres, and has a maximum storage capacity of 242 acre-feet. Completed in 1977, the structure is 49 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 90% of dams nationwide.
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Location
| State | Oklahoma |
| County | Comanche |
| Nearest City | Cedar Grove |
| River/Stream | Washita |
| Coordinates | 34.81732, -98.12257 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 1,040 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 242 acre-ft |
| Max Storage | 242 acre-ft |
| Normal Storage | 61 acre-ft |
| Surface Area | 17 acres |
| Max Discharge | 430 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Comanche 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 | OK20826 |
| Federal ID | OK20826 |
| More Info | State Dam Safety Program |