Sanderson Canyon Ws Scs Site 4 Dam
Sanderson Canyon Ws Scs Site 4 Dam is an earth dam located in Terrell County, Texas, built in 1986. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Sanderson Canyon Ws Scs Site 4 Dam
The primary purpose of Sanderson Canyon Ws Scs Site 4 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;rio Grande-pecos River Swcd;terrell County;trans Pecos Swcd (local government). It impounds the Tr-sanderson Canyon near Sanderson.
The dam stands 75 feet tall and stretches 2,725 feet across, creates a reservoir covering 35 acres, has a maximum storage capacity of 4,057 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1986, the structure is 40 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 01/22/2020.
At 75 feet, this dam is taller than 97% of all dams in the United States.
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-sanderson Canyon |
| Coordinates | 30.14869, -102.55425 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 75 ft |
| Dam Height | 51 ft |
| Dam Length | 2,725 ft |
| Year Completed | 1986 (40 years old) |
Storage & Hydraulics
| NID Storage | 4,057 acre-ft |
| Max Storage | 4,057 acre-ft |
| Normal Storage | 528 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 51,187 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | BIG BEND SWCD;BREWSTER COUNTY;PECOS COUNTY;RIO GRANDE-PECOS RIVER SWCD;TERRELL COUNTY;TRANS PECOS SWCD |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/22/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX06819 |
| Federal ID | TX06819 |
| More Info | State Dam Safety Program |