Wallum Lake
Key Takeaway
Wallum Lake is classified as significant hazard in Rhode Island. It was completed in 1866 and is 160 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 7 ft (taller than 8.1% in RI) |
| Dam Length | 80 ft |
| Dam Type | Masonry |
| Max Storage | 10.0K acre-ft |
| Normal Storage | 9.0K acre-ft |
| Surface Area | 322 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 80 cfs |
| Year Completed | 1866 (160 years old) |
| NID ID | RI00301 |
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
RI HILLCROFT, INC.
Local Government
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High Hazard 21 ftWakefield Pond Dam
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Significant Hazard 12 ftMavis Pond #1 Dam
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Significant Hazard 13 ftWakefield Pond
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Low Hazard 8 ftRoss Pond
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Significant Hazard 6 ftFrequently Asked Questions
What is the hazard classification of Wallum Lake?
Wallum Lake 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 Wallum Lake?
Wallum Lake is owned by RI HILLCROFT, INC. (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wallum Lake built?
Wallum Lake was completed in 1866, making it 160 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 Wallum Lake?
Wallum Lake 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 Wallum Lake?
Wallum Lake has a dam height of 7 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 Wallum Lake last inspected?
Wallum Lake was last inspected on October 30, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.