Derry Waste Lagoon Dam

Significant HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNew Hampshire
CountyRockingham
Nearest CityDERRY
River/StreamNA
Coordinates42.86770, -71.33330

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length3,560 ft
Year Completed1978 (48 years old)

Storage & Hydraulics

NID Storage346 acre-ft
Max Storage346 acre-ft
Normal Storage346 acre-ft
Surface Area17 acres

Ownership & Safety

PurposeOther
OwnerTOWN OF DERRY
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection11/12/2020
Emergency Action PlanNot Required

Identifiers

NID IDNH00961
Federal IDNH00961
More InfoState Dam Safety Program

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