Langworthy Pond is an earth dam located in Washington County, Rhode Island. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 9 ft9 ft tall and 130 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Langworthy Pond
Langworthy Pond is a dam in Washington, Rhode Island. The dam is owned by Mann, Richard A. (private). It impounds the Brushy Brook-trib near Hopkinton.
The dam stands 9 feet tall and stretches 130 feet across, creates a reservoir covering 1 acres, and has a maximum storage capacity of 3 acre-feet.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. 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 | Brushy Brook-trib |
| Coordinates | 41.50829, -71.71838 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 130 ft |
Storage & Hydraulics
| NID Storage | 3 acre-ft |
| Max Storage | 3 acre-ft |
| Normal Storage | 2 acre-ft |
| Surface Area | 1 acres |
| Max Discharge | 35 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Mann, Richard A. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | RI04200 |
| Federal ID | RI04200 |
| More Info | State Dam Safety Program |