Unionville Pond Dam
Key Takeaway
Unionville Pond Dam is classified as significant hazard in Massachusetts. It was completed in 1909 and is 117 years old. Its primary use is fish and wildlife pond. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 21 ft (taller than 72.5% in MA) |
| Dam Length | 150 ft |
| Dam Type | Earth |
| Max Storage | 380 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 6 sq mi |
| Year Completed | 1909 (117 years old) |
| NID ID | MA00620 |
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
DCR - DEPT. OF CONSERVATION & RECREATION
State Government
Nearby Dams
Current Meter Pond Dam
Worcester, MA
Significant Hazard 15 ftChaffin Pond Dam
Worcester, MA
Significant Hazard 10 ftDawson Pond Dam
Worcester, MA
Low Hazard 15 ftCournoyer Pond Dam
Worcester, MA
Low Hazard 14 ftEagle Lake Dam
Worcester, MA
High Hazard 20 ftMaple Spring Pond Dam
Worcester, MA
Significant Hazard 11 ftQuinapoxet Reservoir Dam
Worcester, MA
High Hazard 45 ftKendall Reservoir Dam
Worcester, MA
High Hazard 39 ftFrequently Asked Questions
What is the hazard classification of Unionville Pond Dam?
Unionville Pond Dam 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 Unionville Pond Dam?
Unionville Pond Dam is owned by DCR - DEPT. OF CONSERVATION & RECREATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Unionville Pond Dam built?
Unionville Pond Dam was completed in 1909, making it 117 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 Unionville Pond Dam?
Unionville Pond Dam serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Unionville Pond Dam?
Unionville Pond Dam has a dam height of 21 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 Unionville Pond Dam last inspected?
Unionville Pond Dam was last inspected on June 30, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.