Weymouth Great Pond Dam
Significant HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Massachusetts |
| County | Norfolk |
| Nearest City | Weymouth |
| River/Stream | Tributary to Mill River |
| Coordinates | 42.16964, -70.96677 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 200 ft |
| Year Completed | 1884 (142 years old) |
Storage & Hydraulics
| NID Storage | 1,420 acre-ft |
| Max Storage | 1,420 acre-ft |
| Normal Storage | 493 acre-ft |
| Surface Area | 358 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 132 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Town of Weymouth |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/13/2021 |
| Emergency Action Plan | Yes |