Knowles Pond Dam
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | New Hampshire |
| County | Merrimack |
| Nearest City | NORTHFIELD |
| River/Stream | TR WILLIAMS BROOK |
| Coordinates | 43.42910, -71.54470 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 350 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 237 acre-ft |
| Max Storage | 237 acre-ft |
| Normal Storage | 182 acre-ft |
| Surface Area | 56 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | TOWN OF NORTHFIELD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/05/2019 |
| Emergency Action Plan | Not Required |