Cummins Pond Dam is an earth dam located in Grafton County, New Hampshire, built in 1880. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 130 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 Cummins Pond Dam
The primary purpose of Cummins Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Green Woodlands Limited Partnership (private). It impounds the Mascoma River near Dorchester.
The dam stands 10 feet tall and stretches 130 feet across, creates a reservoir covering 130 acres, has a maximum storage capacity of 1,343 acre-feet, and collects water from a drainage area of 5 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 09/24/2021.
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Location
| State | New Hampshire |
| County | Grafton |
| Nearest City | Dorchester |
| River/Stream | Mascoma River |
| Coordinates | 43.77786, -72.01523 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 130 ft |
| Year Completed | 1880 (146 years old) |
Storage & Hydraulics
| NID Storage | 1,343 acre-ft |
| Max Storage | 1,343 acre-ft |
| Normal Storage | 691 acre-ft |
| Surface Area | 130 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 724 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Green Woodlands Limited Partnership |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/24/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00462 |
| Federal ID | NH00462 |
| More Info | State Dam Safety Program |