Pingree Sawmill Dam is an earth dam located in Rockingham County, New Hampshire, built in 1812. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 80 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 Pingree Sawmill Dam
The primary purpose of Pingree Sawmill Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Manchester Water Works (local government). It impounds the Preston Brook near Auburn.
The dam stands 12 feet tall and stretches 80 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 87 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1812, the structure is one of the older dams in the region, with over a century and a half of service.
The most recent inspection on record was 08/08/2022.
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Location
| State | New Hampshire |
| County | Rockingham |
| Nearest City | Auburn |
| River/Stream | Preston Brook |
| Coordinates | 43.00113, -71.31341 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 80 ft |
| Year Completed | 1812 (214 years old) |
Storage & Hydraulics
| NID Storage | 87 acre-ft |
| Max Storage | 87 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 342 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Manchester Water Works |
| Owner Type | Local Government |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Last Inspection | 08/08/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00742 |
| Federal ID | NH00742 |
| More Info | State Dam Safety Program |