Sister Grove Creek WS SCS Site 23 Dam
Key Takeaway
Sister Grove Creek WS SCS Site 23 Dam is classified as high hazard in Texas. It was completed in 1960 and is 66 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 | 24 ft (taller than 47.7% in TX) |
| Dam Length | 1,325 ft |
| Dam Type | Earth |
| Max Storage | 432 acre-ft |
| Normal Storage | 85 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,304 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | TX02092 |
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;UPPER ELM RED SWCD
Local Government
Nearby Dams
Sister Grove Creek WS SCS Site 22 Dam
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Low Hazard 41 ftSister Grove Creek WS SCS Site 21 Dam
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High Hazard 37 ftSister Grove Creek WS SCS Site 30 Dam
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Low Hazard 34 ftEast Fork Above Lavon WS SCS Site 39 Dam
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High Hazard 54 ftSister Grove Creek WS SCS Site 20 Dam
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Low Hazard 56 ftDavidson Pond Dam
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Low Hazard 25 ftSister Grove Creek WS SCS Site 31 Dam
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Low Hazard 45 ftSister Grove Creek WS SCS Site 24 Dam
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High Hazard 42 ftFrequently Asked Questions
What is the hazard classification of Sister Grove Creek WS SCS Site 23 Dam?
Sister Grove Creek WS SCS Site 23 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 23 Dam?
Sister Grove Creek WS SCS Site 23 Dam is owned by GRAYSON COUNTY;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 23 Dam built?
Sister Grove Creek WS SCS Site 23 Dam was completed in 1960, making it 66 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 23 Dam?
Sister Grove Creek WS SCS Site 23 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 23 Dam?
Sister Grove Creek WS SCS Site 23 Dam has a dam height of 24 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 23 Dam last inspected?
Sister Grove Creek WS SCS Site 23 Dam was last inspected on November 10, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.