Hazardous Household Waste Disposal

The Middlesex County Division of Solid Waste Management provides county residents the opportunity to dispose of hazardous household items (such as drain cleaner, kerosene, paint thinner, etc) 6 times a year. Disposal of the items is free. The waste must be left in the original container with the label intact and should not be greater than 10 gallons. Additionally, only residential waste will be accepted. Commercial or industrial waste will not be accepted.


Information on dates, locations and the items that are accepted is available at the county website or by calling the Middlesex County Division of Solid Waste at 732-745-4170.

Disposal Information

This collection is free of charge to Middlesex County residents only (drivers’ license proof required). Residential waste only - no waste from commercial or industrial sources. If you are unsure how to transport items safety, please call 732-745-4170.
  • Hours: 8 a.m. - 2 p.m. (Rain or shine)
  • Free of charge
Residents must wear face coverings, keep their vehicle windows closed and stay in their vehicles at all times.  Please have your materials in your trunk, cargo area or truck bed, easily accessible to our staff, who will remove it from your vehicle. 

Residents bringing asbestos-contained material must preregister by calling 732-745-4170.

Call if you have any questions about other items.

More Information

For more details call Plainsboro Public Works: 609-799-0099; Middlesex County at 732-745-4170.
What to Bring   What Not To Bring  
Adhesives Paint Thinner Empty Containers Tires
Aerosol Paint Cans Pesticides/Herbicides Explosives and Munitions Unknowns
Antifreeze Photographic Chemicals Infectious Waste Electronics
Brake Fluid Pool Chemicals Appliances/Furniture Smoke Detectors
Car Batteries Propane Tanks Computers Televisions
Drain Cleaners Stains/Varnishes Printers  
Fluorescent Light Bulbs Thermometers    
Gas/Oil Mix Used Motor Oil    
Latex Paints Used Oil Filters    
Lighter Fluid Rechargeable batteries    
Oil-Based Paint Button Cell Batteries