Polnac Lake Dam
Key Takeaway
Polnac Lake Dam is classified as low hazard in Texas. It was completed in 1952 and is 74 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 16 ft (taller than 19.7% in TX) |
| Dam Length | 440 ft |
| Dam Type | Earth |
| Max Storage | 655 acre-ft |
| Normal Storage | 244 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1952 (74 years old) |
| NID ID | TX03437 |
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
FLAT TOP RANCH
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Polnac Lake Dam?
Polnac Lake 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 Polnac Lake Dam?
Polnac Lake Dam is owned by FLAT TOP RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Polnac Lake Dam built?
Polnac Lake Dam was completed in 1952, making it 74 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 Polnac Lake Dam?
Polnac Lake Dam serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Polnac Lake Dam?
Polnac Lake Dam has a dam height of 16 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 Polnac Lake Dam last inspected?
Polnac Lake Dam was last inspected on May 12, 1982. Inspection dates indicate when a formal review occurred, not the results of that inspection.