Berry Pond Dam
Berry Pond Dam is an earth dam located in Merrimack County, New Hampshire, built in 1884. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Berry Pond Dam
The primary purpose of Berry Pond Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Pennichuck Water Works Inc (private). It impounds the Berry Pond Brook near Pittsfield.
The dam stands 18 feet tall and stretches 260 feet across, creates a reservoir covering 36 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1884, the structure is over a century old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 08/31/2021.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New Hampshire dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New Hampshire |
| County | Merrimack |
| Nearest City | Pittsfield |
| River/Stream | Berry Pond Brook |
| Coordinates | 43.28360, -71.29610 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 260 ft |
| Year Completed | 1884 (142 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 185 acre-ft |
| Surface Area | 36 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 405 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | PENNICHUCK WATER WORKS INC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/31/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NH00105 |
| Federal ID | NH00105 |
| More Info | State Dam Safety Program |