Knowles Pond Dam
New Hampshire — Merrimack County — TR WILLIAMS BROOK
Location
| State | New Hampshire |
| County | Merrimack |
| River | TR WILLIAMS BROOK |
| Coordinates | 43.42910, -71.54470 |
Physical Characteristics
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 350 ft |
| NID Storage | 237 acre-ft |
| Max Storage | 237 acre-ft |
| Surface Area | 56 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | Not Required |
| Last Inspection | September 5, 2019 |
| Inspection Frequency | 6 |
Dam Information
| Year Completed | 1935 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | TOWN OF NORTHFIELD |
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.