Connally Lake No 1 Dam
Key Takeaway
Connally Lake No 1 Dam is classified as low hazard in Texas. It was completed in 1970 and is 56 years old.
Physical Details
| Dam Height | 25 ft (taller than 50.9% in TX) |
| Dam Length | 1,100 ft |
| Dam Type | Earth |
| Max Storage | 850 acre-ft |
| Normal Storage | 440 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1970 (56 years old) |
| NID ID | TX03691 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
MERRILL CONNALLY
Private
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High Hazard 76 ftFrequently Asked Questions
What is the hazard classification of Connally Lake No 1 Dam?
Connally Lake No 1 Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Connally Lake No 1 Dam?
Connally Lake No 1 Dam is owned by MERRILL CONNALLY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Connally Lake No 1 Dam built?
Connally Lake No 1 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.
How tall is Connally Lake No 1 Dam?
Connally Lake No 1 Dam has a dam height of 25 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 Connally Lake No 1 Dam last inspected?
Connally Lake No 1 Dam was last inspected on December 6, 1983. Inspection dates indicate when a formal review occurred, not the results of that inspection.