Hopkinton
New Hampshire — Merrimack County — Contoocook River
Location
| State | New Hampshire |
| County | Merrimack |
| River | Contoocook River |
| Coordinates | 43.22200, -71.71550 |
Physical Characteristics
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 325 ft |
| NID Storage | 380 acre-ft |
| Max Storage | 380 acre-ft |
| Surface Area | 110 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | Not Required |
| Last Inspection | July 26, 2018 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1890 |
| Primary Purpose | Hydroelectric |
| Dam Type | Concrete |
| Owner Type | Local Government |
| Owner | Town of Hopkinton, NH |
| Other Name | Contoocook Dam |
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.