Back Lake Dam
Low HazardPoor ConditionEmergency Action Plan: Not Required
Location
| State | New Hampshire |
| County | Coos |
| Nearest City | PITTSBURG |
| River/Stream | BACK LAKE BROOK |
| Coordinates | 45.08330, -71.36410 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 36 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 1,269 acre-ft |
| Max Storage | 1,269 acre-ft |
| Normal Storage | 574 acre-ft |
| Surface Area | 348 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 207 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH FISH AND GAME DEPARTMENT |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/16/2022 |
| Emergency Action Plan | Not Required |