Hopkins Mill Pond is a rockfill dam located in Providence County, Rhode Island, built in 1865. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 9 ft9 ft tall and 120 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 Hopkins Mill Pond
Hopkins Mill Pond is a dam in Providence, Rhode Island. The dam is owned by Providence Water Supply Board/city of Providence (local government). It impounds the Ponaganset River near Foster.
The dam stands 9 feet tall and stretches 120 feet across, has a maximum storage capacity of 109 acre-feet, and collects water from a drainage area of 13 square miles. Completed in 1865, the structure is one of the older dams in the region, with over a century and a half of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks.
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Location
| State | Rhode Island |
| County | Providence |
| Nearest City | Foster |
| River/Stream | Ponaganset River |
| Coordinates | 41.82405, -71.70794 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 9 ft |
| Dam Height | 5 ft |
| Dam Length | 120 ft |
| Year Completed | 1865 (161 years old) |
Storage & Hydraulics
| NID Storage | 109 acre-ft |
| Max Storage | 109 acre-ft |
| Normal Storage | 50 acre-ft |
| Drainage Area | 13 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Providence Water Supply Board/city of Providence |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Emergency Action Plan | No |
Identifiers
| NID ID | RI01203 |
| Federal ID | RI01203 |
| More Info | State Dam Safety Program |