Upper Keswick Dam

Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Jersey
CountyOcean
Nearest CityKeswick Grove
River/StreamWrangel Brook
Coordinates39.94920, -74.34518

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Height12 ft
Dam Length296 ft
Year Completed1898 (128 years old)

Storage & Hydraulics

NID Storage54 acre-ft
Normal Storage54 acre-ft
Surface Area16 acres
Drainage Area8 sq mi
Max Discharge486 cfs

Ownership & Safety

PurposeRecreation
OwnerAmerica's Keswick
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection03/19/2025
Emergency Action PlanYes

Identifiers

NID IDNJ00047
Federal IDNJ00047
More InfoState Dam Safety Program

Nearby Dams

Keswick Grove Lower Dam 0.3 mi Low Wrights Dam 1.4 mi Low Green Branch Dam 3.3 mi Low Bamber Lake Dam 4.0 mi Low Lake Horicon Dam 4.4 mi Low New Jersey No Name # 23 Dam 5.0 mi Low Pickerel Pond Dam 5.5 mi Low Clubhouse Lake Dam 5.8 mi Low Bass Lake Dam 6.0 mi Low Pine Lake Park Dam 6.5 mi Significant