Mason Road Dam
Low HazardPoor ConditionEmergency Action Plan: Not Required
Location
| State | Massachusetts |
| County | Middlesex |
| Nearest City | Townsend |
| River/Stream | Squannacook River |
| Coordinates | 42.67897, -71.74020 |
Physical Characteristics
| Dam Type | Stone |
| NID Height | 11 ft |
| Dam Length | 140 ft |
| Year Completed | 1870 (156 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 42 sq mi |
| Max Discharge | 700 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | John M. and Barbara Delaney;Town of Townsend |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/06/2023 |
| Emergency Action Plan | Not Required |