Ashley Pond Dam
Key Takeaway
Ashley Pond Dam is classified as significant hazard in Massachusetts. It was completed in 1897 and is 129 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 11 ft (taller than 25.5% in MA) |
| Dam Length | 640 ft |
| Dam Type | Earth |
| Max Storage | 3.0K acre-ft |
| Normal Storage | 2.4K acre-ft |
| Surface Area | 265 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 1897 (129 years old) |
| NID ID | MA00542 |
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 HOLYOKE, WATER WORKS
Local Government
Nearby Dams
Mclean Reservoir Dam
Hampden, MA
Significant Hazard 35 ftClear Pond Dam
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Low Hazard 22 ftClear Pond West Dike
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Low Hazard 19 ftChapin Pond
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Low Hazard 15 ftBear Hole Reservoir Dam
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Significant Hazard 34 ftSpringfield Country Club Dam
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Significant Hazard 15 ftArm Brook Pl-566 Flood Control Dam
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High Hazard 58 ftWest Springfield
Hampden, MA
Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Ashley Pond Dam?
Ashley Pond 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 Ashley Pond Dam?
Ashley Pond Dam is owned by CITY OF HOLYOKE, WATER WORKS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ashley Pond Dam built?
Ashley Pond Dam was completed in 1897, making it 129 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 Ashley Pond Dam?
Ashley Pond 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 Ashley Pond Dam?
Ashley Pond Dam has a dam height of 11 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 Ashley Pond Dam last inspected?
Ashley Pond Dam was last inspected on October 30, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.