Whittemore Lake Dam
Whittemore Lake Dam is an earth dam located in Hillsborough, New Hampshire, built in 1886. It carries a Low hazard potential classification and has a poor condition assessment.
About Whittemore Lake Dam
The primary purpose of Whittemore Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nh Fish And Game Department (state). It impounds the Tr Contoocook River near Bennington.
The dam stands 11 feet tall and stretches 120 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 213 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1886, 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 04/12/2018.
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Location
| State | New Hampshire |
| County | Hillsborough |
| Nearest City | Bennington |
| River/Stream | Tr Contoocook River |
| Coordinates | 42.98830, -71.90750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 120 ft |
| Year Completed | 1886 (140 years old) |
Storage & Hydraulics
| NID Storage | 213 acre-ft |
| Max Storage | 213 acre-ft |
| Normal Storage | 108 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 639 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH FISH AND GAME DEPARTMENT |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/12/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00107 |
| Federal ID | NH00107 |
| More Info | State Dam Safety Program |