Little Elm and Laterals WS SCS Site 18a Dam
Key Takeaway
Little Elm and Laterals WS SCS Site 18a Dam is classified as high hazard in Texas. It was completed in 1970 and is 56 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 | 38 ft (taller than 82.5% in TX) |
| Dam Length | 1,446 ft |
| Dam Type | Earth |
| Max Storage | 779 acre-ft |
| Normal Storage | 74 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,976 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | TX01128 |
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 27 ftEast Fork Above Lavon WS SCS Site 8c Dam
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High Hazard 39 ftEast Fork Above Lavon WS SCS Site 8b1 Dam
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Low Hazard 45 ftLittle Elm and Laterals WS SCS Site 8b Dam
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High Hazard 24 ftCarter Ranch Dam
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High Hazard 34 ftEast Fork Above Lavon WS SCS Site 8g Dam
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High Hazard 41 ftLittle Elm and Laterals WS SCS Site 6 Dam
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Little Elm and Laterals WS SCS Site 18a Dam?
Little Elm and Laterals WS SCS Site 18a 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 Little Elm and Laterals WS SCS Site 18a Dam?
Little Elm and Laterals WS SCS Site 18a 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 Little Elm and Laterals WS SCS Site 18a Dam built?
Little Elm and Laterals WS SCS Site 18a Dam was completed in 1970, making it 56 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 Little Elm and Laterals WS SCS Site 18a Dam?
Little Elm and Laterals WS SCS Site 18a 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 Little Elm and Laterals WS SCS Site 18a Dam?
Little Elm and Laterals WS SCS Site 18a Dam has a dam height of 38 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 Little Elm and Laterals WS SCS Site 18a Dam last inspected?
Little Elm and Laterals WS SCS Site 18a Dam was last inspected on January 15, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.