Winnekenni Basin Dam
Key Takeaway
Winnekenni Basin Dam is classified as low hazard in Massachusetts. It was completed in 1970 and is 56 years old. Its primary use is water supply.
Physical Details
| Dam Height | 10 ft (taller than 18% in MA) |
| Dam Length | 120 ft |
| Dam Type | Earth |
| Max Storage | 75 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1970 (56 years old) |
| NID ID | MA01197 |
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
CITY OF HAVERHILL, WATER DEPARTMENT
Local Government
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Significant Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Winnekenni Basin Dam?
Winnekenni Basin 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 Winnekenni Basin Dam?
Winnekenni Basin Dam is owned by CITY OF HAVERHILL, WATER DEPARTMENT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Winnekenni Basin Dam built?
Winnekenni Basin Dam was completed in 1970, making it 56 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 Winnekenni Basin Dam?
Winnekenni Basin 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 Winnekenni Basin Dam?
Winnekenni Basin Dam has a dam height of 10 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 Winnekenni Basin Dam last inspected?
Winnekenni Basin Dam was last inspected on November 3, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.