Slatersville Reservoir Lower
Key Takeaway
Slatersville Reservoir Lower is classified as significant hazard in Rhode Island. It was completed in 1886 and is 140 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 66.7% in RI) |
| Dam Length | 320 ft |
| Dam Type | Rockfill |
| Max Storage | 328 acre-ft |
| Normal Storage | 208 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 94 sq mi |
| Max Discharge | 8,550 cfs |
| Year Completed | 1886 (140 years old) |
| NID ID | RI02503 |
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
DUDLEY DEVELOPMENT CORP.
Private
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Significant Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Slatersville Reservoir Lower?
Slatersville Reservoir Lower 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 Slatersville Reservoir Lower?
Slatersville Reservoir Lower is owned by DUDLEY DEVELOPMENT CORP. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Slatersville Reservoir Lower built?
Slatersville Reservoir Lower was completed in 1886, making it 140 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Slatersville Reservoir Lower?
Slatersville Reservoir Lower 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 Slatersville Reservoir Lower last inspected?
Slatersville Reservoir Lower was last inspected on June 23, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.