Norwich Reservoir #1 Dam
Key Takeaway
Norwich Reservoir #1 Dam is classified as high hazard in New York. It was completed in 1881 and is 145 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 | 47 ft (taller than 91.2% in NY) |
| Dam Length | 270 ft |
| Dam Type | Earth |
| Max Storage | 136 acre-ft |
| Normal Storage | 101 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,861 cfs |
| Year Completed | 1881 (145 years old) |
| NID ID | NY00347 |
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 NORWICH
Local Government
Nearby Dams
Norwich Reservoir #2 Dam
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High Hazard 43 ftLake Lorraine Dam
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Low Hazard 20 ftRobert Wahlberg Dam
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Low Hazard 21 ftTank Pond Dam
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Norwich Reservoir #1 Dam?
Norwich Reservoir #1 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 Norwich Reservoir #1 Dam?
Norwich Reservoir #1 Dam is owned by CITY OF NORWICH (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Norwich Reservoir #1 Dam built?
Norwich Reservoir #1 Dam was completed in 1881, making it 145 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 Norwich Reservoir #1 Dam?
Norwich Reservoir #1 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 Norwich Reservoir #1 Dam?
Norwich Reservoir #1 Dam has a dam height of 47 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 Norwich Reservoir #1 Dam last inspected?
Norwich Reservoir #1 Dam was last inspected on July 9, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.