Supply Pond Dam
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | New Hampshire |
| County | Hillsborough |
| Nearest City | NASHUA |
| River/Stream | PENNICHUCK BROOK |
| Coordinates | 42.79143, -71.47443 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 550 ft |
| Year Completed | 1854 (172 years old) |
Storage & Hydraulics
| NID Storage | 414 acre-ft |
| Max Storage | 414 acre-ft |
| Normal Storage | 210 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 26 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | PENNICHUCK WATER WORKS INC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 09/27/2022 |
| Emergency Action Plan | Yes |