Long Pond
Key Takeaway
Long Pond is classified as low hazard in Rhode Island. It was completed in 1885 and is 141 years old. Its primary use is other.
Physical Details
| Dam Height | 9 ft (taller than 24.3% in RI) |
| Dam Length | 230 ft |
| Dam Type | Gravity |
| Max Storage | 79 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 73 cfs |
| Year Completed | 1885 (141 years old) |
| NID ID | RI01410 |
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
RI DEM
State Government
Nearby Dams
Wincheck Pond
Washington, RI
Significant Hazard 8 ftAshville Pond
Washington, RI
Significant Hazard 9 ftBlue Pond
Washington, RI
Significant Hazard 13 ftYawgoog Pond
Washington, RI
High Hazard 14 ftHoxie Farm Pond
Washington, RI
Significant Hazard 5 ftHarris Pond
Washington, RI
Significant Hazard 5 ftLangworthy Pond
Washington, RI
Significant Hazard 9 ftLocustville Pond
Washington, RI
High Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Long Pond?
Long Pond 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 Long Pond?
Long Pond is owned by RI DEM (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Long Pond built?
Long Pond 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 Long Pond?
Long Pond serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Long Pond?
Long Pond has a dam height of 9 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.