Mountaindale Reservoir
Mountaindale Reservoir is a gravity dam located in Providence County, Rhode Island, built in 1885. It carries a Low hazard potential classification and has a poor condition assessment.
About Mountaindale Reservoir
The primary purpose of Mountaindale Reservoir is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Smithfield, Town Of (local government). It impounds the Reaper Brook near Smithfield.
The dam stands 10 feet tall and stretches 120 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1885, 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 | Providence |
| Nearest City | Smithfield |
| River/Stream | Reaper Brook |
| Coordinates | 41.88528, -71.53610 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 120 ft |
| Year Completed | 1885 (141 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 156 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | SMITHFIELD, TOWN OF |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Emergency Action Plan | No |
Identifiers
| NID ID | RI03107 |
| Federal ID | RI03107 |
| More Info | State Dam Safety Program |