Holyoke - Overflow No. 1
Massachusetts — Hampden County — Connecticut River
Location
| State | Massachusetts |
| County | Hampden |
| River | Connecticut River |
| Coordinates | 42.21215, -72.60391 |
Physical Characteristics
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 1,400 ft |
| NID Storage | 26,000 acre-ft |
| Max Storage | 26,000 acre-ft |
| Surface Area | 2,290 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | August 11, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1850 |
| Primary Purpose | Hydroelectric |
| Dam Type | Masonry |
| Owner Type | Local Government |
| Owner | City of Holyoke Gas and Electric Department |
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.