Slack Reservoir
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Rhode Island |
| County | Providence |
| Nearest City | SMITHFIELD |
| River/Stream | STILLWATER RIVER-TRIB |
| Coordinates | 41.86879, -71.55325 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 17 ft |
| Dam Height | 15 ft |
| Dam Length | 220 ft |
| Year Completed | 1885 (141 years old) |
Storage & Hydraulics
| NID Storage | 1,780 acre-ft |
| Max Storage | 1,780 acre-ft |
| Normal Storage | 1,300 acre-ft |
| Surface Area | 150 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 100 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | SLACK'S RESERVOIR ASSOCIATION, INC. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Emergency Action Plan | Yes |