Unquomonk Upper Reservoir Dam
Massachusetts — Hampshire County
Location
| State | Massachusetts |
| County | Hampshire |
| Coordinates | 42.37494, -72.74110 |
Physical Characteristics
| NID Height | 27 ft |
| Dam Height | — |
| Dam Length | 250 ft |
| NID Storage | 30 acre-ft |
| Max Storage | 30 acre-ft |
| Surface Area | 3 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 10 |
Dam Information
| Year Completed | 1903 |
| Primary Purpose | — |
| Dam Type | — |
| Owner Type | — |
| Owner | Town of Williamsburg |
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.