• Toxic to small children and may be deadly to animals attracted by its sweet taste.
  • Spent antifreeze may contain metals from the engine (lead, zinc, copper).
  • Can disturb the biological action of sewage treatment and septic systems.


  • Collect and store spent antifreeze in sealed, labeled, plastic or metal container, away from heat sources, children and pets.
  • Never store in a beverage container; original container is best.
  • Clean up spills with absorbent (kitty litter, shredded newspaper, vermiculite, rags, etc.); bag waste materials and discard in the trash. Flush soiled area with water.
  • Do not mix with oil.
  • Do not dispose down the drain or in storm drains.
  • Do not dispose of in the trash: liquid wastes can leak in a trash truck.

Management Options

  • Unused Antifreeze

    • Antifreeze does not go bad. Donate to a friend who can use it, a mechanic or school auto shop.
  • Spent Antifreeze

    • Check to see if your municipal dropoff will accept antifreeze. If your town does not have a dropoff, you may bring antifreeze to the County's Hazardous Waste Facility in Mansfield or call 609-499-5200).
    • Take to service station or repair garage that accepts spent antifreeze.
    • Note: More environmentally-friendly propylene glycol may contain the same pollutants after use and should be disposed as suggested above.
  • Empty Plastic Antifreeze Containers

    • Can be recycled with your bottles and cans - place in your recycling bucket for collection.