Osgood Pond Dam

Osgood Pond Dam is an earth dam located in Hillsborough, New Hampshire, built in 1861. It carries a Low hazard potential classification and has a fair condition assessment.

About Osgood Pond Dam

The primary purpose of Osgood Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Milford (local government). It impounds the Great Brook near Milford.

The dam stands 9 feet tall and stretches 150 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 270 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1861, the structure is one of the older dams in the region, with over a century and a half 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. 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 09/21/2017.

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Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateNew Hampshire
CountyHillsborough
Nearest CityMilford
River/StreamGreat Brook
Coordinates42.82050, -71.66380

Physical Characteristics

Dam TypeEarth
NID Height9 ft
Dam Height9 ft
Dam Length150 ft
Year Completed1861 (165 years old)

Storage & Hydraulics

NID Storage270 acre-ft
Max Storage270 acre-ft
Normal Storage57 acre-ft
Surface Area24 acres
Drainage Area5 sq mi
Max Discharge580 cfs

Ownership & Safety

PurposeRecreation
OwnerTOWN OF MILFORD
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection09/21/2017
Emergency Action PlanNot Required

Identifiers

NID IDNH00314
Federal IDNH00314
More InfoState Dam Safety Program

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