Ashton
Key Takeaway
Ashton is classified as low hazard in Rhode Island. It was completed in 1885 and is 141 years old.
Physical Details
| Dam Height | 18 ft (taller than 76.1% in RI) |
| Dam Length | 318 ft |
| Dam Type | Masonry |
| Max Storage | 200 acre-ft |
| Normal Storage | 112 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 421 sq mi |
| Max Discharge | 19,800 cfs |
| Year Completed | 1885 (141 years old) |
| NID ID | RI00807 |
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
ASHTON DAM HYDRO WATT ASSOCIATES
Private
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High Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Ashton?
Ashton 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 Ashton?
Ashton is owned by ASHTON DAM HYDRO WATT ASSOCIATES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ashton built?
Ashton was completed in 1885, making it 141 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Ashton?
Ashton has a dam height of 18 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.