Mountain Pond North Dam is an earth dam located in Belknap County, New Hampshire, built in 1913. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 14 ft14 ft tall and 97 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Mountain Pond North Dam
The primary purpose of Mountain Pond North 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 New Hampton Village Precinct (local government). It impounds the Tr Pemigewasset River near Sanbornton.
The dam stands 14 feet tall and stretches 97 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 137 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1913, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/13/2019.
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Location
| State | New Hampshire |
| County | Belknap |
| Nearest City | Sanbornton |
| River/Stream | Tr Pemigewasset River |
| Coordinates | 43.57880, -71.63970 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 97 ft |
| Year Completed | 1913 (113 years old) |
Storage & Hydraulics
| NID Storage | 137 acre-ft |
| Max Storage | 137 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 168 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | New Hampton Village Precinct |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/13/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00464 |
| Federal ID | NH00464 |
| More Info | State Dam Safety Program |