Whitefield Lagoon Dam is an earth dam located in Coos County, New Hampshire, built in 1984. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 32 ft32 ft tall and 780 ft long, taller than 74% of U.S. dams with a recorded height. 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 Whitefield Lagoon Dam
Whitefield Lagoon Dam is a dam in Coos, New Hampshire. The dam is owned by Town of Whitefield (local government). It impounds the Na near Whitefield.
The dam stands 32 feet tall and stretches 780 feet across, creates a reservoir covering 1 acres, and has a maximum storage capacity of 14 acre-feet. Completed in 1984, the structure is 42 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/04/2020.
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Location
| State | New Hampshire |
| County | Coos |
| Nearest City | Whitefield |
| River/Stream | Na |
| Coordinates | 44.37360, -71.62380 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 780 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 14 acre-ft |
| Max Storage | 14 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 1 acres |
Ownership & Safety
| Purpose | Other |
| Owner | Town of Whitefield |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/04/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00904 |
| Federal ID | NH00904 |
| More Info | State Dam Safety Program |