Ayers Pond Dam
Ayers Pond Dam is an earth dam located in Hillsborough, New Hampshire, built in 1865. It carries a Low hazard potential classification and has a fair condition assessment.
About Ayers Pond Dam
The primary purpose of Ayers Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by The Warren And Suzanne Barclay Rev Trust (private). It impounds the Musquash Brook near Hudson.
The dam stands 16 feet tall and stretches 106 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 93 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1865, the structure is one of the older dams in the region, with over a century and a half 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 04/30/2018.
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Location
| State | New Hampshire |
| County | Hillsborough |
| Nearest City | Hudson |
| River/Stream | Musquash Brook |
| Coordinates | 42.70750, -71.42190 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 106 ft |
| Year Completed | 1865 (161 years old) |
Storage & Hydraulics
| NID Storage | 93 acre-ft |
| Max Storage | 93 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 488 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | THE WARREN AND SUZANNE BARCLAY REV TRUST |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/30/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00169 |
| Federal ID | NH00169 |
| More Info | State Dam Safety Program |