Overflow Weir Dam

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Jersey
CountyPassaic
River/StreamWanaque River
Coordinates41.04255, -74.29737

Physical Characteristics

Dam TypeConcrete
NID Height30 ft
Dam Height30 ft
Dam Length552 ft
Year Completed1928 (98 years old)

Storage & Hydraulics

NID Storage29,000 acre-ft
Normal Storage29,000 acre-ft
Surface Area2,400 acres
Drainage Area90 sq mi

Ownership & Safety

PurposeWater Supply
OwnerNorth Jersey District Water Supply Commission
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection10/16/2024
Emergency Action PlanYes

Identifiers

NID IDNJ00214
Federal IDNJ00213S006
More InfoState Dam Safety Program

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