Millvale Reservoir Dam
Key Takeaway
Millvale Reservoir Dam is classified as high hazard in Massachusetts. It was completed in 1898 and is 128 years old. Its primary use is water supply. 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 | 18 ft (taller than 63.9% in MA) |
| Dam Length | 150 ft |
| Dam Type | Masonry |
| Max Storage | 558 acre-ft |
| Normal Storage | 384 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 8 sq mi |
| Year Completed | 1898 (128 years old) |
| NID ID | MA00228 |
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 HAVERHILL, OFFICE OF THE MAYOR
Local Government
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Significant Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Millvale Reservoir Dam?
Millvale Reservoir 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 Millvale Reservoir Dam?
Millvale Reservoir Dam is owned by CITY OF HAVERHILL, OFFICE OF THE MAYOR (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Millvale Reservoir Dam built?
Millvale Reservoir Dam was completed in 1898, making it 128 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 Millvale Reservoir Dam?
Millvale Reservoir 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 Millvale Reservoir Dam?
Millvale Reservoir 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.
When was Millvale Reservoir Dam last inspected?
Millvale Reservoir Dam was last inspected on April 24, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.