Deerfield No. 3
Key Takeaway
Deerfield No. 3 is classified as low hazard in Massachusetts. It was completed in 1912 and is 114 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 12 ft (taller than 32.1% in MA) |
| Dam Length | 475 ft |
| Dam Type | Concrete |
| Max Storage | 551 acre-ft |
| Normal Storage | 551 acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 500 sq mi |
| Max Discharge | 23,300 cfs |
| Year Completed | 1912 (114 years old) |
| NID ID | MA00461 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Great River Hydro, LLC
Private
Nearby Dams
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Significant Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Deerfield No. 3?
Deerfield No. 3 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Deerfield No. 3?
Deerfield No. 3 is owned by Great River Hydro, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Deerfield No. 3 built?
Deerfield No. 3 was completed in 1912, making it 114 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 Deerfield No. 3?
Deerfield No. 3 serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Deerfield No. 3?
Deerfield No. 3 has a dam height of 12 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 Deerfield No. 3 last inspected?
Deerfield No. 3 was last inspected on September 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.