Lake Tarleton Dam
Lake Tarleton Dam is a concrete dam located in Grafton County, New Hampshire, built in 1800. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Lake Tarleton Dam
The primary purpose of Lake Tarleton Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Daley Energy Llc (private). It impounds the Eastman Brook near Piermont.
The dam stands 8 feet tall and stretches 200 feet across, creates a reservoir covering 315 acres, has a maximum storage capacity of 1,418 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1800, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/02/2022.
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Location
| State | New Hampshire |
| County | Grafton |
| Nearest City | Piermont |
| River/Stream | Eastman Brook |
| Coordinates | 43.98503, -71.97322 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 200 ft |
| Year Completed | 1800 (226 years old) |
Storage & Hydraulics
| NID Storage | 1,418 acre-ft |
| Max Storage | 1,418 acre-ft |
| Normal Storage | 416 acre-ft |
| Surface Area | 315 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 1,252 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | DALEY ENERGY LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/02/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00556 |
| Federal ID | NH00556 |
| More Info | State Dam Safety Program |