Derry Waste Lagoon Dam
New Hampshire — Rockingham County — NA
Location
| State | New Hampshire |
| County | Rockingham |
| River | NA |
| Coordinates | 42.86770, -71.33330 |
Physical Characteristics
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 3,560 ft |
| NID Storage | 346 acre-ft |
| Max Storage | 346 acre-ft |
| Surface Area | 17 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Satisfactory |
| EAP Status | Not Required |
| Last Inspection | November 12, 2020 |
| Inspection Frequency | 4 |
Dam Information
| Year Completed | 1978 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | TOWN OF DERRY |
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.