Hatfields
Key Takeaway
Hatfields is classified as significant hazard in New Hampshire. It was completed in 1937 and is 89 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 70.9% in NH) |
| Dam Length | 106 ft |
| Dam Type | Concrete |
| Max Storage | 6 acre-ft |
| Normal Storage | 6 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 64 sq mi |
| Max Discharge | 7,397 cfs |
| Year Completed | 1937 (89 years old) |
| NID ID | NH83018 |
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 Rochester
Local Government
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Hatfields?
Hatfields 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 Hatfields?
Hatfields is owned by City of Rochester (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hatfields built?
Hatfields was completed in 1937, making it 89 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 Hatfields?
Hatfields 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 Hatfields?
Hatfields has a dam height of 20 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 Hatfields last inspected?
Hatfields was last inspected on July 20, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.