Onway Lake Dam
New Hampshire — Rockingham County — TR LAMPREY RIVER
Location
| State | New Hampshire |
| County | Rockingham |
| River | TR LAMPREY RIVER |
| Coordinates | 43.03440, -71.21580 |
Physical Characteristics
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 65 ft |
| NID Storage | 2,600 acre-ft |
| Max Storage | 2,600 acre-ft |
| Surface Area | 194 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Poor |
| EAP Status | Not Required |
| Last Inspection | November 15, 2018 |
| Inspection Frequency | 6 |
Dam Information
| Year Completed | 1915 |
| Primary Purpose | Recreation |
| Dam Type | Concrete |
| Owner Type | Private |
| Owner | J AND D REALTY TRUST |
| Other Name | Jones Pond 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.