Lake Necessity Dam
Key Takeaway
Lake Necessity Dam is classified as low hazard in Texas. It was completed in 1967 and is 59 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 18 ft (taller than 25.8% in TX) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 308 acre-ft |
| Normal Storage | 154 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1967 (59 years old) |
| NID ID | TX03636 |
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
ARLEN G HOWLE JR ET AL
Private
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Low Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Lake Necessity Dam?
Lake Necessity 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 Lake Necessity Dam?
Lake Necessity Dam is owned by ARLEN G HOWLE JR ET AL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Necessity Dam built?
Lake Necessity Dam was completed in 1967, making it 59 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 Lake Necessity Dam?
Lake Necessity Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Necessity Dam?
Lake Necessity Dam has a dam height of 18 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.