Blackwater Dam - Little Hill Dike
New Hampshire — Merrimack County
Location
| State | New Hampshire |
| County | Merrimack |
| Coordinates | 43.34152, -71.76800 |
Physical Characteristics
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 1,425 ft |
| NID Storage | 93,400 acre-ft |
| Max Storage | 93,400 acre-ft |
| Surface Area | 1 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1941 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | — |
| Owner Type | — |
| Owner | USACE - New England District |
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.