North Trinity Laterals WS SCS Site 4 Dam
Key Takeaway
North Trinity Laterals WS SCS Site 4 Dam is classified as high hazard in Texas. It was completed in 1969 and is 57 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 | 29 ft (taller than 64.3% in TX) |
| Dam Length | 1,000 ft |
| Dam Type | Earth |
| Max Storage | 167 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 445 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | TX04701 |
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
BOIS D ARC ISLAND LEVEE DISTRICT;DALWORTH SWCD
Local Government
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Significant Hazard 34 ftFrequently Asked Questions
What is the hazard classification of North Trinity Laterals WS SCS Site 4 Dam?
North Trinity Laterals WS SCS Site 4 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 North Trinity Laterals WS SCS Site 4 Dam?
North Trinity Laterals WS SCS Site 4 Dam is owned by BOIS D ARC ISLAND LEVEE DISTRICT;DALWORTH SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was North Trinity Laterals WS SCS Site 4 Dam built?
North Trinity Laterals WS SCS Site 4 Dam was completed in 1969, making it 57 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 North Trinity Laterals WS SCS Site 4 Dam?
North Trinity Laterals WS SCS Site 4 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 North Trinity Laterals WS SCS Site 4 Dam?
North Trinity Laterals WS SCS Site 4 Dam has a dam height of 29 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 North Trinity Laterals WS SCS Site 4 Dam last inspected?
North Trinity Laterals WS SCS Site 4 Dam was last inspected on July 7, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.