Seavey Pond Dike Access Road Dam is an earth dam located in Rockingham County, New Hampshire, built in 2002. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 160 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 Seavey Pond Dike Access Road Dam
The primary purpose of Seavey Pond Dike Access Road Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Essex Management Group (private). It impounds the Flatrock Brook near Windham.
The dam stands 10 feet tall and stretches 160 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 68 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 2002, the structure is relatively new.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 06/11/2018.
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Location
| State | New Hampshire |
| County | Rockingham |
| Nearest City | Windham |
| River/Stream | Flatrock Brook |
| Coordinates | 42.83043, -71.25109 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 160 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 5 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Essex Management Group |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/11/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH03580 |
| Federal ID | NH03580 |
| More Info | State Dam Safety Program |