Gilman
New Hampshire — Coos County — Connecticut River
Location
| State | New Hampshire |
| County | Coos |
| River | Connecticut River |
| Coordinates | 44.40980, -71.71770 |
Physical Characteristics
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 319 ft |
| NID Storage | 705 acre-ft |
| Max Storage | 705 acre-ft |
| Surface Area | 130 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | Not Required |
| Last Inspection | June 12, 2017 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1898 |
| Primary Purpose | Hydroelectric |
| Dam Type | Concrete |
| Owner Type | Private |
| Owner | Ampersand Gilman Hydro LP |
| Other Name | Centennial Mill 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.