Upper Washita River Ws Scs Site 23b Dam
Upper Washita River Ws Scs Site 23b Dam is an earth dam located in Hemphill County, Texas, built in 1961. It carries a Significant hazard potential classification.
About Upper Washita River Ws Scs Site 23b Dam
The primary purpose of Upper Washita River Ws Scs Site 23b 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 Tr-gageby Creek.
The dam stands 26 feet tall and stretches 830 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 522 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1961, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/11/2019.
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Location
| State | Texas |
| County | Hemphill |
| River/Stream | Tr-gageby Creek |
| Coordinates | 35.64294, -100.29141 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 830 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 522 acre-ft |
| Max Storage | 522 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2 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 | Not Rated |
| Last Inspection | 07/11/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX02517 |
| Federal ID | TX02517 |
| More Info | State Dam Safety Program |