Dillon Dam
Key Takeaway
Dillon Dam is classified as significant hazard in Arkansas. It was completed in 1903 and is 123 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 44 ft (taller than 78.3% in AR) |
| Dam Length | 220 ft |
| Dam Type | Arch |
| Max Storage | 858 acre-ft |
| Normal Storage | 800 acre-ft |
| Surface Area | 43 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 6,200 cfs |
| Year Completed | 1903 (123 years old) |
| NID ID | AR00728 |
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
HOT SPRINGS MUNICIPAL WATER SYSTEM
Local Government
Nearby Dams
Bethel Dam
Garland, AR
Low Hazard 36 ftRicks Estate Dam
Garland, AR
High Hazard 16 ftSleepy Valley Lower Dam No 2
Garland, AR
Significant HazardSleepy Valley Upper Dam
Garland, AR
Significant HazardRicks Dam
Garland, AR
High Hazard 87 ftBelvedere Golf Resort Lake Dam
Garland, AR
Low Hazard 40 ftRockwood Dam
Garland, AR
High Hazard 45 ftForest Lake Dam
Garland, AR
Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Dillon Dam?
Dillon 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 Dillon Dam?
Dillon Dam is owned by HOT SPRINGS MUNICIPAL WATER SYSTEM (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dillon Dam built?
Dillon Dam was completed in 1903, making it 123 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 Dillon Dam?
Dillon Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dillon Dam?
Dillon Dam has a dam height of 44 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 Dillon Dam last inspected?
Dillon Dam was last inspected on October 28, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.