Purity Lake Dam
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | New Hampshire |
| County | Carroll |
| Nearest City | MADISON |
| River/Stream | DANFORTH PONDS |
| Coordinates | 43.86110, -71.08880 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 96 ft |
| Year Completed | 1750 (276 years old) |
Storage & Hydraulics
| NID Storage | 182 acre-ft |
| Max Storage | 182 acre-ft |
| Normal Storage | 162 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 240 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | PURITY SPRING RESORT ANDNH AUDDUBON |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 09/26/2022 |
| Emergency Action Plan | Yes |