Exall Lake Dam
Key Takeaway
Exall Lake Dam is classified as high hazard in Texas. It was completed in 1944 and is 82 years old. Its primary use is recreation. 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 | 33 ft (taller than 74.3% in TX) |
| Dam Length | 130 ft |
| Dam Type | Concrete |
| Max Storage | 77 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 4,000 cfs |
| Year Completed | 1944 (82 years old) |
| NID ID | TX04636 |
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
CITY OF HIGHLAND PARK
Local Government
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Exall Lake Dam?
Exall 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 Exall Lake Dam?
Exall Lake Dam is owned by CITY OF HIGHLAND PARK (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Exall Lake Dam built?
Exall Lake Dam was completed in 1944, making it 82 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 Exall Lake Dam?
Exall Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Exall Lake Dam?
Exall Lake Dam has a dam height of 33 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 Exall Lake Dam last inspected?
Exall Lake Dam was last inspected on April 11, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.