Upper Mountain Lake Dam
Low HazardFair ConditionEmergency Action Plan: Not Required
Location
| State | New Hampshire |
| County | Grafton |
| Nearest City | HAVERHILL |
| River/Stream | WATERMAN BROOK |
| Coordinates | 44.12013, -71.95709 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 660 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 499 acre-ft |
| Max Storage | 499 acre-ft |
| Normal Storage | 325 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,640 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | MOUNTAIN LAKES VILLAGE DISTRICT |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/18/2021 |
| Emergency Action Plan | Not Required |