Granville Reservoir Dam
Massachusetts — Hampden County — Hollister Brook & Tillotson Brook
Location
| State | Massachusetts |
| County | Hampden |
| River | Hollister Brook & Tillotson Brook |
| Coordinates | 42.08764, -72.84775 |
Physical Characteristics
| NID Height | 85 ft |
| Dam Height | — |
| Dam Length | 850 ft |
| NID Storage | 2,400 acre-ft |
| Max Storage | 2,400 acre-ft |
| Surface Area | 77 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | November 3, 2022 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1930 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | City of Westfield |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.