Pawtucket Lower
Key Takeaway
Pawtucket Lower is classified as significant hazard in Rhode Island. It was completed in 1894 and is 132 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 4 ft |
| Dam Length | 200 ft |
| Dam Type | Masonry |
| Max Storage | 3 acre-ft |
| Normal Storage | 3 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 478 sq mi |
| Max Discharge | 1,300 cfs |
| Year Completed | 1894 (132 years old) |
| NID ID | RI04271 |
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
Gravity Renewables, Inc.
Private
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Significant Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Pawtucket Lower?
Pawtucket 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 Pawtucket Lower?
Pawtucket Lower is owned by Gravity Renewables, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pawtucket Lower built?
Pawtucket Lower was completed in 1894, making it 132 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 Pawtucket Lower?
Pawtucket Lower serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Pawtucket Lower?
Pawtucket Lower has a dam height of 4 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 Pawtucket Lower last inspected?
Pawtucket Lower was last inspected on September 13, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.