Norumbega Reservoir Dike No. 4
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Massachusetts |
| County | Middlesex |
| Nearest City | Weston |
| River/Stream | Seaverns Brook |
| Coordinates | 42.32873, -71.29558 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Length | 700 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 500 acre-ft |
| Max Storage | 500 acre-ft |
| Normal Storage | 250 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 411 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | MA Department of Conservation & Recreation |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/03/2022 |
| Emergency Action Plan | Yes |