Bradley Lake Dam is an earth dam located in Merrimack County, New Hampshire, built in 1952. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 19 ft19 ft tall and 307 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Bradley Lake Dam
The primary purpose of Bradley Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Andover Village Water District (local government). It impounds the Hame Shop Brook near Andover.
The dam stands 19 feet tall and stretches 307 feet across, creates a reservoir covering 165 acres, has a maximum storage capacity of 1,787 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1952, the structure is well into its service life at over 50 years old.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 10/13/2021.
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Location
| State | New Hampshire |
| County | Merrimack |
| Nearest City | Andover |
| River/Stream | Hame Shop Brook |
| Coordinates | 43.41716, -71.82309 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 307 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 1,787 acre-ft |
| Max Storage | 1,787 acre-ft |
| Normal Storage | 908 acre-ft |
| Surface Area | 165 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 788 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Andover Village Water District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/13/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NH00034 |
| Federal ID | NH00034 |
| More Info | State Dam Safety Program |