Assunpink #20 Dam

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Jersey
CountyMercer
River/StreamAssunpink Creek
Coordinates40.26670, -74.66273

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height26 ft
Dam Length4,070 ft

Storage & Hydraulics

NID Storage14,730 acre-ft
Max Storage14,730 acre-ft
Normal Storage2,700 acre-ft
Surface Area275 acres
Drainage Area30 sq mi
Max Discharge29,450 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCounty of Mercer Park Commission
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection04/15/2024
Emergency Action PlanYes

Identifiers

NID IDNJ00552
Federal IDNJ00552
More InfoState Dam Safety Program

Nearby Dams

Assunpink #21 Dam 1.6 mi High Colonial Lake Dam 3.3 mi Low Assunpink #8 Dam 3.8 mi High Squibb Dam 4.3 mi Low Grover's Mill Dam 4.4 mi Significant Assunpink # 6 Dam 4.7 mi High Plainsboro Pond Dam 5.2 mi Significant Gropps Lake Dam 5.7 mi Low Sylva Lake Dam 5.8 mi Significant Ceva Lake Dam 6.1 mi Significant