Sister Grove Creek WS SCS Site 38 Dam
Key Takeaway
Sister Grove Creek WS SCS Site 38 Dam is classified as high hazard in Texas. It was completed in 1959 and is 67 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 | 36 ft (taller than 79.5% in TX) |
| Dam Length | 2,080 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 183 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 3,080 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | TX04263 |
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
GRAYSON COUNTY COMMISSIONERS COURT;UPPER ELM RED SWCD
Local Government
Nearby Dams
Sister Grove Creek WS SCS Site 3 Dam
Collin, TX
High Hazard 33 ftSister Grove Creek WS SCS Site 2 Dam
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Low Hazard 34 ftSister Grove Creek WS SCS Site 4 Dam
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Significant Hazard 28 ftSister Grove Creek WS SCS Site 13 Dam
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Low Hazard 39 ftSister Grove Creek WS SCS Site 1 Dam
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Low Hazard 43 ftCollin County Adventure Camp Dam No 1
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Low Hazard 15 ftSister Grove Creek WS SCS Site 37 Dam
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Low Hazard 36 ftCollin County Adventure Camp Dam No 2
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Sister Grove Creek WS SCS Site 38 Dam?
Sister Grove Creek WS SCS Site 38 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 38 Dam?
Sister Grove Creek WS SCS Site 38 Dam is owned by GRAYSON COUNTY COMMISSIONERS COURT;UPPER ELM RED SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sister Grove Creek WS SCS Site 38 Dam built?
Sister Grove Creek WS SCS Site 38 Dam was completed in 1959, making it 67 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 38 Dam?
Sister Grove Creek WS SCS Site 38 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 Sister Grove Creek WS SCS Site 38 Dam?
Sister Grove Creek WS SCS Site 38 Dam has a dam height of 36 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 38 Dam last inspected?
Sister Grove Creek WS SCS Site 38 Dam was last inspected on July 10, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.