South Reservoir East Dike
Key Takeaway
South Reservoir East Dike is classified as high hazard in Massachusetts. It was completed in 1882 and is 144 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 | 15 ft (taller than 48.8% in MA) |
| Dam Length | 145 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 811 acre-ft |
| Surface Area | 72 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1882 (144 years old) |
| NID ID | MA01278 |
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
TOWN OF WINCHESTER, WATER DEPARTMENT
Local Government
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Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of South Reservoir East Dike?
South Reservoir East Dike 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 South Reservoir East Dike?
South Reservoir East Dike is owned by TOWN OF WINCHESTER, WATER DEPARTMENT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Reservoir East Dike built?
South Reservoir East Dike was completed in 1882, making it 144 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 South Reservoir East Dike?
South Reservoir East Dike 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 South Reservoir East Dike?
South Reservoir East Dike has a dam height of 15 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 South Reservoir East Dike last inspected?
South Reservoir East Dike was last inspected on June 9, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.