Sister Grove Creek WS SCS Site 9 Dam
Key Takeaway
Sister Grove Creek WS SCS Site 9 Dam is classified as high hazard in Texas. It was completed in 1953 and is 73 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 | 50 ft (taller than 93.5% in TX) |
| Dam Length | 2,000 ft |
| Dam Type | Earth |
| Max Storage | 3.0K acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 168 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 2 cfs |
| Year Completed | 1953 (73 years old) |
| NID ID | TX01145 |
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
COLLIN COUNTY;COLLIN COUNTY SWCD
Local Government
Nearby Dams
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Low Hazard 44 ftSister Grove Creek WS SCS Site 14 Dam
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High Hazard 38 ftFrequently Asked Questions
What is the hazard classification of Sister Grove Creek WS SCS Site 9 Dam?
Sister Grove Creek 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 Sister Grove Creek WS SCS Site 9 Dam?
Sister Grove Creek WS SCS Site 9 Dam is owned by COLLIN COUNTY;COLLIN COUNTY SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sister Grove Creek WS SCS Site 9 Dam built?
Sister Grove Creek WS SCS Site 9 Dam was completed in 1953, making it 73 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 Sister Grove Creek WS SCS Site 9 Dam?
Sister Grove Creek WS SCS Site 9 Dam serves the following purposes: Flood Risk Reduction, Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sister Grove Creek WS SCS Site 9 Dam?
Sister Grove Creek WS SCS Site 9 Dam has a dam height of 50 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 Sister Grove Creek WS SCS Site 9 Dam last inspected?
Sister Grove Creek WS SCS Site 9 Dam was last inspected on March 29, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.