Waumbek Dam is a concrete dam located in Strafford County, New Hampshire, built in 1880. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 17 ft17 ft tall and 120 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Waumbek Dam
The primary purpose of Waumbek Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nh Des Water Division (state). It impounds the Salmon Falls River near Milton.
The dam stands 17 feet tall and stretches 120 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 29 square miles. Completed in 1880, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 11/08/2018.
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Location
| State | New Hampshire |
| County | Strafford |
| Nearest City | Milton |
| River/Stream | Salmon Falls River |
| Coordinates | 43.49974, -70.95944 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 120 ft |
| Year Completed | 1880 (146 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 29 sq mi |
| Max Discharge | 769 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Nh Des Water Division |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/08/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00787 |
| Federal ID | NH00787 |
| More Info | State Dam Safety Program |