Jones Lake Dam
Key Takeaway
Jones Lake Dam is classified as high hazard in Texas. It was completed in 1977 and is 49 years old. Its primary use is fire protection. 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 | 27 ft (taller than 58.3% in TX) |
| Dam Length | 940 ft |
| Dam Type | Earth |
| Max Storage | 325 acre-ft |
| Normal Storage | 135 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 15,292 cfs |
| Year Completed | 1977 (49 years old) |
| NID ID | TX05515 |
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
ALTON MARWITZ
Private
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High Hazard 60 ftFrequently Asked Questions
What is the hazard classification of Jones Lake Dam?
Jones Lake 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 Jones Lake Dam?
Jones Lake Dam is owned by ALTON MARWITZ (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jones Lake Dam built?
Jones Lake Dam was completed in 1977, making it 49 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 Jones Lake Dam?
Jones Lake Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jones Lake Dam?
Jones Lake Dam has a dam height of 27 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 Jones Lake Dam last inspected?
Jones Lake Dam was last inspected on September 24, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.