Lake Olney Dam
Key Takeaway
Lake Olney Dam is classified as significant hazard in Texas. It was completed in 1922 and is 104 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 34 ft (taller than 76% in TX) |
| Dam Length | 1,490 ft |
| Dam Type | Earth |
| Max Storage | 7.4K acre-ft |
| Normal Storage | 2.2K acre-ft |
| Surface Area | 134 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 1 cfs |
| Year Completed | 1922 (104 years old) |
| NID ID | TX00997 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CITY OF OLNEY
Local Government
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Lake Olney Dam?
Lake Olney Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lake Olney Dam?
Lake Olney Dam is owned by CITY OF OLNEY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Olney Dam built?
Lake Olney Dam was completed in 1922, making it 104 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 Olney Dam?
Lake Olney Dam serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Olney Dam?
Lake Olney Dam has a dam height of 34 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 Lake Olney Dam last inspected?
Lake Olney Dam was last inspected on February 8, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.