Blue Pond is a gravity dam located in Washington County, Rhode Island, built in 1885. It carries a Significant hazard potential classification.
Dam profile
NID height · 13 ft13 ft tall and 1,000 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Blue Pond
The primary purpose of Blue Pond is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Ashville Corporation (private). It impounds the Blue Pond Brook near Hopkinton.
The dam stands 13 feet tall and stretches 1,000 feet across, creates a reservoir covering 92 acres, has a maximum storage capacity of 550 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1885, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam.
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Location
| State | Rhode Island |
| County | Washington |
| Nearest City | Hopkinton |
| River/Stream | Blue Pond Brook |
| Coordinates | 41.50569, -71.74725 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1885 (141 years old) |
Storage & Hydraulics
| NID Storage | 550 acre-ft |
| Max Storage | 550 acre-ft |
| Normal Storage | 440 acre-ft |
| Surface Area | 92 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 78 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Ashville Corporation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | RI01405 |
| Federal ID | RI01405 |
| More Info | State Dam Safety Program |