Upper Washita River Ws Scs Site 9 Dam
Upper Washita River Ws Scs Site 9 Dam is an earth dam located in Hemphill County, Texas, built in 1962. It carries a Significant hazard potential classification and has a fair condition assessment.
About Upper Washita River Ws Scs Site 9 Dam
The primary purpose of Upper Washita River Ws Scs Site 9 Dam 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 Hemphill County;hemphill County Swcd (local government). It impounds the Major Creek.
The dam stands 48 feet tall and stretches 2,625 feet across, creates a reservoir covering 43 acres, has a maximum storage capacity of 6,723 acre-feet, and collects water from a drainage area of 27 square miles. Completed in 1962, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 12/18/2019.
At 48 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Texas |
| County | Hemphill |
| River/Stream | Major Creek |
| Coordinates | 35.74432, -100.34514 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 48 ft |
| Dam Height | 48 ft |
| Dam Length | 2,625 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 6,723 acre-ft |
| Max Storage | 6,723 acre-ft |
| Normal Storage | 192 acre-ft |
| Surface Area | 43 acres |
| Drainage Area | 27 sq mi |
| Max Discharge | 8,961 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | HEMPHILL COUNTY;HEMPHILL COUNTY SWCD |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/18/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX02512 |
| Federal ID | TX02512 |
| More Info | State Dam Safety Program |