Poole Reservoir Dam is a concrete dam located in Cheshire County, New Hampshire, built in 1926. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 14 ft14 ft tall and 350 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Poole Reservoir Dam
The primary purpose of Poole Reservoir Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town of Jaffrey (local government). It impounds the Tr Mead Brook near Jaffrey.
The dam stands 14 feet tall and stretches 350 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 30 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1926, the structure is well-established, with more than 75 years of service.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 11/15/2019.
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Location
| State | New Hampshire |
| County | Cheshire |
| Nearest City | Jaffrey |
| River/Stream | Tr Mead Brook |
| Coordinates | 42.84300, -72.08940 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 350 ft |
| Year Completed | 1926 (100 years old) |
Storage & Hydraulics
| NID Storage | 30 acre-ft |
| Max Storage | 30 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 571 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Jaffrey |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 11/15/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NH01061 |
| Federal ID | NH01061 |
| More Info | State Dam Safety Program |