Willard Pond Dam is an earth dam located in Hillsborough, New Hampshire, built in 1937. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 8 ft8 ft tall and 180 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 Willard Pond Dam
The primary purpose of Willard Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Audubon Society of Nh (private). It impounds the Tr Moose Brook near Antrim.
The dam stands 8 feet tall and stretches 180 feet across, creates a reservoir covering 108 acres, has a maximum storage capacity of 370 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1937, the structure is well-established, with more than 75 years of service.
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 11/02/2020.
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Location
| State | New Hampshire |
| County | Hillsborough |
| Nearest City | Antrim |
| River/Stream | Tr Moose Brook |
| Coordinates | 43.01800, -72.01880 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 180 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 370 acre-ft |
| Max Storage | 370 acre-ft |
| Normal Storage | 277 acre-ft |
| Surface Area | 108 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 81 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Audubon Society of Nh |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/02/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00058 |
| Federal ID | NH00058 |
| More Info | State Dam Safety Program |