Phillips Pond Dam is an earth dam located in Coos County, New Hampshire, built in 1926. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 60 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 Phillips Pond Dam
The primary purpose of Phillips Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ursa Major LLC (private). It impounds the West Branch Phillips Brook near Odell.
The dam stands 15 feet tall and stretches 60 feet across, creates a reservoir covering 71 acres, has a maximum storage capacity of 472 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1926, 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 09/16/2020.
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Location
| State | New Hampshire |
| County | Coos |
| Nearest City | Odell |
| River/Stream | West Branch Phillips Brook |
| Coordinates | 44.75610, -71.34830 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 60 ft |
| Year Completed | 1926 (100 years old) |
Storage & Hydraulics
| NID Storage | 472 acre-ft |
| Max Storage | 472 acre-ft |
| Normal Storage | 117 acre-ft |
| Surface Area | 71 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 445 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Ursa Major LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/16/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00375 |
| Federal ID | NH00375 |
| More Info | State Dam Safety Program |