Riverdale Mills
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Northbridge |
| River/Stream | Blackstone River |
| Coordinates | 42.13880, -71.64020 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 142 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 89 acre-ft |
| Max Storage | 89 acre-ft |
| Normal Storage | 89 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 142 sq mi |
| Max Discharge | 19,400 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | James M. Knott |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/02/2022 |
| Emergency Action Plan | Not Required |