Woronoco - South Dam
Key Takeaway
Woronoco - South Dam is classified as low hazard in Massachusetts. It was completed in 1938 and is 88 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 25 ft (taller than 79.2% in MA) |
| Dam Length | 351 ft |
| Dam Type | Concrete |
| Max Storage | 1.8K acre-ft |
| Normal Storage | 1.8K acre-ft |
| Surface Area | 43 acres |
| Drainage Area | 346 sq mi |
| Max Discharge | 10,500 cfs |
| Year Completed | 1938 (88 years old) |
| NID ID | MA00737 |
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
Woronoco Hydro, LLC
Private
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Low Hazard 59 ftFrequently Asked Questions
What is the hazard classification of Woronoco - South Dam?
Woronoco - South 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 Woronoco - South Dam?
Woronoco - South Dam is owned by Woronoco Hydro, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Woronoco - South Dam built?
Woronoco - South Dam was completed in 1938, making it 88 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 Woronoco - South Dam?
Woronoco - South Dam serves the following purposes: Hydroelectric, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Woronoco - South Dam?
Woronoco - South Dam has a dam height of 25 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 Woronoco - South Dam last inspected?
Woronoco - South Dam was last inspected on September 5, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.