Sanderson Canyon Ws Scs Site 8 Dam
Sanderson Canyon Ws Scs Site 8 Dam is an earth dam located in Terrell County, Texas, built in 1978. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Sanderson Canyon Ws Scs Site 8 Dam
The primary purpose of Sanderson Canyon Ws Scs Site 8 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 Big Bend Swcd;brewster County;pecos County;terrell County;trans Pecos Swcd (local government). It impounds the Tr-threemile Draw near Sanderson.
The dam stands 48 feet tall and stretches 2,363 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 1,738 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1978, the structure is 48 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 01/21/2020.
At 48 feet, this dam is taller than 92% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Texas dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Terrell |
| Nearest City | Sanderson |
| River/Stream | Tr-threemile Draw |
| Coordinates | 30.21176, -102.42555 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 48 ft |
| Dam Height | 48 ft |
| Dam Length | 2,363 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 1,738 acre-ft |
| Max Storage | 1,738 acre-ft |
| Normal Storage | 79 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 23,658 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | BIG BEND SWCD;BREWSTER COUNTY;PECOS COUNTY;TERRELL COUNTY;TRANS PECOS SWCD |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/21/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX04589 |
| Federal ID | TX04589 |
| More Info | State Dam Safety Program |