Webster Lake Dam
New Hampshire — Merrimack County — CHANCE POND BROOK
Location
| State | New Hampshire |
| County | Merrimack |
| River | CHANCE POND BROOK |
| Coordinates | 43.44940, -71.66940 |
Physical Characteristics
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 133 ft |
| NID Storage | 2,650 acre-ft |
| Max Storage | 2,650 acre-ft |
| Surface Area | 612 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | September 12, 2022 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1873 |
| Primary Purpose | Recreation |
| Dam Type | Concrete |
| Owner Type | State |
| Owner | NH DES WATER DIVISION |
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.