General Information
Phone Numbers
Fax: 609-584-0220
Emergencies: Dial 911
240 Bakers Basin Road
Lawrence Township,

Office Hours M - F
8:00 a.m. - 4:00 p.m.

Hazardous Waste

The Mercer County Improvement Authority hosts three Household Hazardous Waste events each year:  

March 30, 2024

June 8, 2024

September 21, 2024

Location:  Dempster Fire Training Center - 350 Lawrence Station Road, Lawrenceville, NJ 

Time:  8:00am - 2:00pm

Mercer County residents may safely dispose of the following

       Aerosol cans  
       Used Motor Oil  
       Propane Gas Tanks  
       Pesticides & Herbicides  
       Car Batteries  
       Paint Thinner      
       Oil Based Paint (No Latex Paint)
       Stains & Varnishes  
       Driveway Sealer  
       Insect Repellents  
       Fluorescent & CFL Bulbs

Use the following links for information about how to safely dispose of a syringe or to discard unused medications.

Mercer County Improvement Authority / 609-278-8086 /