Hooksett
Hooksett is a masonry dam located in Merrimack County, New Hampshire, built in 1927. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Hooksett
The primary purpose of Hooksett is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. It impounds the Merrimack River near Hooksett.
The dam stands 11 feet tall and stretches 667 feet across, creates a reservoir covering 405 acres, has a maximum storage capacity of 1,650 acre-feet, and collects water from a drainage area of 2,805 square miles. Completed in 1927, the structure is well-established, with more than 75 years 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 05/15/2018.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New Hampshire |
| County | Merrimack |
| Nearest City | Hooksett |
| River/Stream | Merrimack River |
| Coordinates | 43.10110, -71.46530 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 667 ft |
| Year Completed | 1927 (99 years old) |
Storage & Hydraulics
| NID Storage | 1,650 acre-ft |
| Max Storage | 1,650 acre-ft |
| Normal Storage | 1,650 acre-ft |
| Surface Area | 405 acres |
| Drainage Area | 2,805 sq mi |
| Max Discharge | 78,500 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner Type | Not Listed |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/15/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00239 |
| Federal ID | NH00239 |
| More Info | State Dam Safety Program |