How to Get Rid of Old Antifreeze

Written by cynthia measom
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How to Get Rid of Old Antifreeze
Dispose of old antifreeze properly. (Jupiterimages/ Images)

Antifreeze, made from toxic ethylene glycol, is poisonous to humans and animals if ingested. It also can contaminate soils and sediments and deplete oxygen levels in surface waters if improperly disposed. Some antifreeze is also made of propylene glycol, which is less toxic, except in great quantities, according to the Environmental Protection Agency. When you have old antifreeze to get rid of, treat it as a hazardous waste. Instead of mindlessly dumping it out on the ground or down a drain, find out how to dispose of it in the most responsible manner.

Skill level:
Moderately Easy


  1. 1

    Call your local sewage treatment office and tell them how much used antifreeze you have for disposal. Inform them if the antifreeze is made from ethylene glycol or propylene glycol. If you only have a few quarts, it may be possible for you to pour it down a household drain and flush with plenty of water.

  2. 2

    Contact auto repair shops or used oil collection stations in your area and inquire about bringing the used antifreeze to them for disposal.

  3. 3

    Call any waste disposal or recycling companies in your area and ask about disposing large quantities, such as from a commercial operation, of antifreeze.

Tips and warnings

  • Check the antifreeze bottle's label to find out if it's made from propylene or ethylene glycol.
  • Collection centres may charge you a small fee to get rid of your used antifreeze.
  • Immediately clean up any antifreeze spills because pets or children may ingest it.

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