Lake Hiawatha Dam
Key Takeaway
Lake Hiawatha Dam is classified as significant hazard in Massachusetts. It was completed in 2007 and is 19 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 10 ft (taller than 18% in MA) |
| Dam Length | 250 ft |
| Dam Type | Earth |
| Max Storage | 700 acre-ft |
| Normal Storage | 600 acre-ft |
| Surface Area | 58 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 2007 (19 years old) |
| NID ID | MA01167 |
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
TOWN OF BLACKSTONE, BOARD OF SELECTMEN
Local Government
Nearby Dams
Silver Lake Dam
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Low Hazard 7 ftHarris Pond
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Low Hazard 9 ftSylvester Pond
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High Hazard 8 ftBlackstone River Saranac Dam At Canal Street
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Low Hazard 13 ftHales Pond Dam
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Lake Hiawatha Dam?
Lake Hiawatha 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 Lake Hiawatha Dam?
Lake Hiawatha Dam is owned by TOWN OF BLACKSTONE, BOARD OF SELECTMEN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Hiawatha Dam built?
Lake Hiawatha Dam was completed in 2007, making it 19 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 Lake Hiawatha Dam?
Lake Hiawatha 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 Lake Hiawatha Dam?
Lake Hiawatha 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 Lake Hiawatha Dam last inspected?
Lake Hiawatha Dam was last inspected on May 5, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.