Gregg Falls

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Hampshire
CountyHillsborough
Nearest CityPinardville
River/StreamPiscataquog River
Coordinates43.01680, -71.56810

Physical Characteristics

Dam TypeConcrete
NID Height66 ft
Dam Height66 ft
Dam Length1,360 ft
Year Completed1917 (109 years old)

Storage & Hydraulics

NID Storage3,650 acre-ft
Max Storage3,650 acre-ft
Normal Storage3,650 acre-ft
Surface Area138 acres
Drainage Area200 sq mi
Max Discharge40,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection05/25/2022
Emergency Action PlanYes

Identifiers

NID IDNH00093
Federal IDNH00093
More InfoState Dam Safety Program

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