Pratt Pond Dam
Pratt Pond Dam is an earth dam located in Hillsborough, New Hampshire, built in 1890. It carries a Low hazard potential classification and has a poor condition assessment.
About Pratt Pond Dam
The primary purpose of Pratt Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Pratt Pond Association (private). It impounds the Pratt Brook near New Ipswich.
The dam stands 7 feet tall and stretches 150 feet across, creates a reservoir covering 35 acres, has a maximum storage capacity of 110 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1890, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 11/14/2017.
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Location
| State | New Hampshire |
| County | Hillsborough |
| Nearest City | New Ipswich |
| River/Stream | Pratt Brook |
| Coordinates | 42.73630, -71.90550 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 150 ft |
| Year Completed | 1890 (136 years old) |
Storage & Hydraulics
| NID Storage | 110 acre-ft |
| Max Storage | 110 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 128 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | PRATT POND ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 11/14/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00557 |
| Federal ID | NH00557 |
| More Info | State Dam Safety Program |