Slatersville Reservoir Middle
Slatersville Reservoir Middle is a masonry dam located in Providence County, Rhode Island, built in 1886. It carries a High hazard potential classification and has a fair condition assessment.
About Slatersville Reservoir Middle
Slatersville Reservoir Middle is a dam in Providence, Rhode Island. The dam is owned by Dudley Development Corp. (private). It impounds the Branch River near North Smithfield.
The dam stands 26 feet tall and stretches 310 feet across, creates a reservoir covering 102 acres, has a maximum storage capacity of 1,330 acre-feet, and collects water from a drainage area of 94 square miles. Completed in 1886, the structure is over a century old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. Notably, no emergency action plan is currently on file for this high-hazard dam.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Rhode Island dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Rhode Island |
| County | Providence |
| Nearest City | North Smithfield |
| River/Stream | Branch River |
| Coordinates | 41.99770, -71.58185 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 310 ft |
| Year Completed | 1886 (140 years old) |
Storage & Hydraulics
| NID Storage | 1,330 acre-ft |
| Max Storage | 1,330 acre-ft |
| Normal Storage | 740 acre-ft |
| Surface Area | 102 acres |
| Drainage Area | 94 sq mi |
| Max Discharge | 7,500 cfs |
Ownership & Safety
| Owner | DUDLEY DEVELOPMENT CORP. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Emergency Action Plan | No |
Identifiers
| NID ID | RI02502 |
| Federal ID | RI02502 |
| More Info | State Dam Safety Program |