Gregg Lake Dam
New Hampshire — Hillsborough County — GREAT BROOK
Location
| State | New Hampshire |
| County | Hillsborough |
| River | GREAT BROOK |
| Coordinates | 43.03910, -71.97860 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 210 ft |
| NID Storage | 1,370 acre-ft |
| Max Storage | 1,370 acre-ft |
| Surface Area | 201 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | September 1, 2021 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1908 |
| Primary Purpose | Recreation |
| Dam Type | Concrete |
| Owner Type | Local Government |
| Owner | TOWN OF ANTRIM |
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.