Lower Mountain Lake Dam

Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew Jersey
CountyMercer
Nearest CityLawrence
River/StreamStony Brook-TR
Coordinates40.36047, -74.67568

Physical Characteristics

Dam TypeEarth
NID Height13 ft
Dam Height13 ft
Dam Length270 ft

Storage & Hydraulics

NID Storage25 acre-ft
Max Storage25 acre-ft
Normal Storage15 acre-ft
Surface Area6 acres
Drainage Area1 sq mi
Max Discharge1,000 cfs

Ownership & Safety

PurposeRecreation
OwnerPrinceton
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection11/25/2024
Emergency Action PlanYes

Identifiers

NID IDNJ00747
Federal IDNJ00747
More InfoState Dam Safety Program

Nearby Dams

Regional Stormwater Detention Basin G Dam 1.9 mi Significant Smoyer Park Dam 2.5 mi Significant Carnegie Lake Dam 2.9 mi Significant Squibb Dam 3.3 mi Low Stony Brook #14 (honey Lake) Dam 3.9 mi High Stony Brook #2 (willow Lake) Dam 4.1 mi Low Bee Brook Detention Dam 4.2 mi Low Plainsboro Pond Dam 4.5 mi Significant Bridgepoint Dam 4.5 mi Significant Stony Brook #3 (rosedale Lake) Dam 4.6 mi Low