Ashville Pond is a rockfill dam located in Washington County, Rhode Island, built in 1885. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 250 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic rockfill embankment section and the water level is illustrative.
About Ashville Pond
The primary purpose of Ashville Pond is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hopkinton, Town of (local government). It impounds the Blue Pond Brook near Hopkinton.
The dam stands 10 feet tall and stretches 250 feet across, creates a reservoir covering 32 acres, and has a maximum storage capacity of 150 acre-feet. 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. 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 | 41.49976, -71.75112 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 10 ft |
| Dam Height | 9 ft |
| Dam Length | 250 ft |
| Year Completed | 1885 (141 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 116 acre-ft |
| Surface Area | 32 acres |
| Max Discharge | 288 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Hopkinton, Town of |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | RI01404 |
| Federal ID | RI01404 |
| More Info | State Dam Safety Program |