Wyoming Upper
Key Takeaway
Wyoming Upper is classified as high hazard in Rhode Island. It was completed in 1885 and is 141 years old. Its primary use is fish and wildlife pond. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 11 ft (taller than 42.3% in RI) |
| Dam Length | 310 ft |
| Dam Type | Masonry |
| Max Storage | 444 acre-ft |
| Normal Storage | 385 acre-ft |
| Surface Area | 74 acres |
| Drainage Area | 59 sq mi |
| Max Discharge | 2,290 cfs |
| Year Completed | 1885 (141 years old) |
| NID ID | RI01401 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
RI DEM FISH & WILDLIFE
State Government
Nearby Dams
Locustville Pond
Washington, RI
High Hazard 15 ftLangworthy Pond
Washington, RI
Significant Hazard 9 ftBarberville Pond
Washington, RI
Significant Hazard 11 ftBrowning Mill Pond
Washington, RI
Significant Hazard 11 ftBlue Pond
Washington, RI
Significant Hazard 13 ftAshville Pond
Washington, RI
Significant Hazard 9 ftMt. Tom Wildlife Marsh
Washington, RI
Low Hazard 6 ftWhite's Pond
Washington, RI
High Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Wyoming Upper?
Wyoming Upper is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Wyoming Upper?
Wyoming Upper is owned by RI DEM FISH & WILDLIFE (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wyoming Upper built?
Wyoming Upper 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.
What is the primary purpose of Wyoming Upper?
Wyoming Upper serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Wyoming Upper?
Wyoming Upper has a dam height of 11 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 Wyoming Upper last inspected?
Wyoming Upper was last inspected on June 5, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.