Canobie Lake Dam
Canobie Lake Dam is an earth dam located in Rockingham County, New Hampshire, built in 1930. It carries a Low hazard potential classification.
About Canobie Lake Dam
The primary purpose of Canobie Lake 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 Salem (local government). It impounds the Policy Brook near Salem.
The dam stands 8 feet tall and stretches 330 feet across, creates a reservoir covering 350 acres, has a maximum storage capacity of 1,400 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1930, 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. The most recent inspection on record was 11/12/2020.
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Location
| State | New Hampshire |
| County | Rockingham |
| Nearest City | Salem |
| River/Stream | Policy Brook |
| Coordinates | 42.79160, -71.25121 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 330 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 1,400 acre-ft |
| Max Storage | 1,400 acre-ft |
| Normal Storage | 700 acre-ft |
| Surface Area | 350 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 50 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | TOWN OF SALEM |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 11/12/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00031 |
| Federal ID | NH00031 |
| More Info | State Dam Safety Program |