Shongum Lake Dam

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Jersey
CountyMorris
Nearest CityDenville
River/StreamDen Brook
Coordinates40.84777, -74.53433

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Height12 ft
Dam Length200 ft
Year Completed1923 (103 years old)

Storage & Hydraulics

NID Storage467 acre-ft
Max Storage467 acre-ft
Normal Storage277 acre-ft
Surface Area66 acres
Drainage Area3 sq mi

Ownership & Safety

PurposeRecreation
OwnerShongum Lake Property Owners Association
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection01/12/2024
Emergency Action PlanYes

Identifiers

NID IDNJ00351
Federal IDNJ00351
More InfoState Dam Safety Program

Nearby Dams

Openaka Lake Dam 0.7 mi Significant Upper Garden Reservoir Dam 1.2 mi Significant Dalrymple Pond Dam 2.4 mi Low Jaqui Mill Dam 2.6 mi High Lake Lenore Dam 2.9 mi Low Lake Estling Dam 3.2 mi High Powder Mill Pond Dam 3.3 mi High Holstein Lake Dam 3.4 mi Low Cherokee Lake Dam 3.5 mi Low Clyde Potts Reservoir Dam 3.6 mi High