Potter Hill is an earth dam located in Washington County, Rhode Island, built in 1903. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 11 ft11 ft tall and 112 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 Potter Hill
Potter Hill is a dam in Washington, Rhode Island. The dam is owned by Renewable Resources, Inc. (private). It impounds the Pawcatuck River near 0.
The dam stands 11 feet tall and stretches 112 feet across, creates a reservoir covering 36 acres, has a maximum storage capacity of 280 acre-feet, and collects water from a drainage area of 204 square miles. Completed in 1903, the structure is over a century old.
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 | Washington |
| River/Stream | Pawcatuck River |
| Coordinates | 41.41405, -71.79694 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 10 ft |
| Dam Length | 112 ft |
| Year Completed | 1903 (123 years old) |
Storage & Hydraulics
| NID Storage | 280 acre-ft |
| Max Storage | 280 acre-ft |
| Normal Storage | 204 acre-ft |
| Surface Area | 36 acres |
| Drainage Area | 204 sq mi |
| Max Discharge | 5,457 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Renewable Resources, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Emergency Action Plan | No |
Identifiers
| NID ID | RI01409 |
| Federal ID | RI01409 |
| More Info | State Dam Safety Program |