Upper Mill Pond Dam
Key Takeaway
Upper Mill Pond Dam is classified as low hazard in Connecticut. It was completed in 1813 and is 213 years old. Its primary use is recreation.
Physical Details
| Dam Height | 8 ft (taller than 17.6% in CT) |
| Dam Length | 83 ft |
| Dam Type | Masonry |
| Max Storage | 56 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 66 cfs |
| Year Completed | 1813 (213 years old) |
| NID ID | CT00390 |
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
Town of Clinton
Local Government
Nearby Dams
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High Hazard 23 ftTower Hill Lake Dam
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High Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Upper Mill Pond Dam?
Upper Mill Pond Dam 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 Upper Mill Pond Dam?
Upper Mill Pond Dam is owned by Town of Clinton (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Mill Pond Dam built?
Upper Mill Pond Dam was completed in 1813, making it 213 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 Upper Mill Pond Dam?
Upper Mill 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 Upper Mill Pond Dam?
Upper Mill Pond Dam has a dam height of 8 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 Upper Mill Pond Dam last inspected?
Upper Mill Pond Dam was last inspected on May 21, 1984. Inspection dates indicate when a formal review occurred, not the results of that inspection.