East Fork Above Lavon WS SCS Site 1a Dam
Key Takeaway
East Fork Above Lavon WS SCS Site 1a Dam is classified as high hazard in Texas. It was completed in 1957 and is 69 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 | 54 ft (taller than 95.3% in TX) |
| Dam Length | 1,200 ft |
| Dam Type | Earth |
| Max Storage | 842 acre-ft |
| Normal Storage | 185 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 9,834 cfs |
| Year Completed | 1957 (69 years old) |
| NID ID | TX01118 |
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
CITY OF MCKINNEY;COLLIN COUNTY;COLLIN COUNTY SWCD
Local Government
Nearby Dams
Lake Lacima Dam
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High Hazard 18 ftLake Rr2 Dam
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High Hazard 21 ftLake Rr3 Dam
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High Hazard 12 ftEast Fork Above Lavon WS SCS Site 2a Dam
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High Hazard 53 ftEast Fork Above Lavon WS SCS Site 3a Dam
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High Hazard 48 ftEast Fork Above Lavon WS SCS Site 1b Dam
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High Hazard 40 ftEast Fork Above Lavon WS SCS Site 2b Dam
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High Hazard 36 ftEast Fork Above Lavon WS SCS Site 3b Dam
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High Hazard 55 ftFrequently Asked Questions
What is the hazard classification of East Fork Above Lavon WS SCS Site 1a Dam?
East Fork Above Lavon WS SCS Site 1a 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 East Fork Above Lavon WS SCS Site 1a Dam?
East Fork Above Lavon WS SCS Site 1a Dam is owned by CITY OF MCKINNEY;COLLIN COUNTY;COLLIN COUNTY SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was East Fork Above Lavon WS SCS Site 1a Dam built?
East Fork Above Lavon WS SCS Site 1a Dam was completed in 1957, making it 69 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 East Fork Above Lavon WS SCS Site 1a Dam?
East Fork Above Lavon WS SCS Site 1a Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is East Fork Above Lavon WS SCS Site 1a Dam?
East Fork Above Lavon WS SCS Site 1a Dam has a dam height of 54 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 East Fork Above Lavon WS SCS Site 1a Dam last inspected?
East Fork Above Lavon WS SCS Site 1a Dam was last inspected on January 18, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.