Upper Greenwood Lake Dam

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Jersey
CountyPassaic
Nearest CityBellvale, NY
River/StreamLong House Brook
Coordinates41.18572, -74.37070

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length460 ft
Year Completed1932 (94 years old)

Storage & Hydraulics

NID Storage4,960 acre-ft
Max Storage4,960 acre-ft
Normal Storage2,106 acre-ft
Surface Area385 acres
Drainage Area5 sq mi
Max Discharge2,700 cfs

Ownership & Safety

PurposeRecreation
OwnerUpper Greenwood Lake Property Owners Association
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection06/06/2024
Emergency Action PlanYes

Identifiers

NID IDNJ00186
Federal IDNJ00186
More InfoState Dam Safety Program

Nearby Dams

Kohout Lake Dam 1.3 mi Low Mount Laurel Lake Dam 1.7 mi Low Cascade Lake Dam 1.9 mi Significant Greenwood Lake Dam 2.6 mi High Lookover Lake Dam 2.6 mi High East Cove Dam 2.7 mi High Wawayanda Lake Dam 2.9 mi High Upper Warwick Dam 3.0 mi Low Middle Warwick Dam 3.2 mi Low Pinecliff Lake Dam 3.3 mi High