Millbrook Pond
Millbrook Pond is a rockfill dam located in Washington County, Rhode Island, built in 1895. It carries a Low hazard potential classification and has a poor condition assessment.
About Millbrook Pond
The primary purpose of Millbrook Pond is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Threebrook Llc (private). It impounds the Congdon River near West Greenwich.
The dam stands 8 feet tall and stretches 95 feet across, creates a reservoir covering 35 acres, has a maximum storage capacity of 234 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1895, 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 |
| Nearest City | West Greenwich |
| River/Stream | Congdon River |
| Coordinates | 41.59480, -71.62299 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 8 ft |
| Dam Height | 7 ft |
| Dam Length | 95 ft |
| Year Completed | 1895 (131 years old) |
Storage & Hydraulics
| NID Storage | 234 acre-ft |
| Max Storage | 234 acre-ft |
| Normal Storage | 175 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 75 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | THREEBROOK LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Emergency Action Plan | No |
Identifiers
| NID ID | RI01101 |
| Federal ID | RI01101 |
| More Info | State Dam Safety Program |