Sanderson Canyon WS SCS Site 9 Dam
Key Takeaway
Sanderson Canyon WS SCS Site 9 Dam is classified as high hazard in Texas. It was completed in 1979 and is 47 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 52 ft (taller than 94.7% in TX) |
| Dam Length | 2,317 ft |
| Dam Type | Earth |
| Max Storage | 2.2K acre-ft |
| Normal Storage | 96 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 27,909 cfs |
| Year Completed | 1979 (47 years old) |
| NID ID | TX04755 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
BIG BEND SWCD;BREWSTER COUNTY;PECOS COUNTY;RIO GRANDE-PECOS RIVER SWCD;TERRELL COUNTY;TRANS PECOS SWCD
Local Government
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High Hazard 51 ftFrequently Asked Questions
What is the hazard classification of Sanderson Canyon WS SCS Site 9 Dam?
Sanderson Canyon WS SCS Site 9 Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Sanderson Canyon WS SCS Site 9 Dam?
Sanderson Canyon WS SCS Site 9 Dam is owned by BIG BEND SWCD;BREWSTER COUNTY;PECOS COUNTY;RIO GRANDE-PECOS RIVER SWCD;TERRELL COUNTY;TRANS PECOS SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sanderson Canyon WS SCS Site 9 Dam built?
Sanderson Canyon WS SCS Site 9 Dam was completed in 1979, making it 47 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Sanderson Canyon WS SCS Site 9 Dam?
Sanderson Canyon WS SCS Site 9 Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sanderson Canyon WS SCS Site 9 Dam?
Sanderson Canyon WS SCS Site 9 Dam has a dam height of 52 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Sanderson Canyon WS SCS Site 9 Dam last inspected?
Sanderson Canyon WS SCS Site 9 Dam was last inspected on January 23, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.