Mercers Pond Dam
Key Takeaway
Mercers Pond Dam is classified as high hazard in Connecticut. It was completed in 1870 and is 156 years old. Its primary use is recreation. 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 | 20 ft (taller than 72.5% in CT) |
| Dam Length | 320 ft |
| Dam Type | Earth |
| Max Storage | 51 acre-ft |
| Normal Storage | 34 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,060 cfs |
| Year Completed | 1870 (156 years old) |
| NID ID | CT00068 |
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
Deer Hill Partners LLP
Private
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High Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Mercers Pond Dam?
Mercers Pond 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 Mercers Pond Dam?
Mercers Pond Dam is owned by Deer Hill Partners LLP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mercers Pond Dam built?
Mercers Pond Dam was completed in 1870, making it 156 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 Mercers Pond Dam?
Mercers Pond Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mercers Pond Dam?
Mercers Pond Dam 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 Mercers Pond Dam last inspected?
Mercers Pond Dam was last inspected on December 4, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.