How to recycle Styrofoam (EPS foam)
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Packaging foam (clean white blocks)
The big white blocks that ship under a new TV, computer monitor, or kitchen appliance are EPS #6. Clean, uncoated, and easy to densify. Two main programs accept them: the Foam Cycle network (a network of independent drop-off sites that densify EPS into bricks for re-manufacture) and Dart's Recycla-Pak mail-in program (you buy a prepaid box, fill it, ship it back). Many local recyclers also run seasonal "foam round-up" events.
Prep: remove all tape, labels, and any cardboard or plastic film. Break blocks down only enough to fit in your trunk — recyclers prefer larger pieces over crumbs (the smaller the piece, the more likely it blows away during handling). Never bag the foam in a trash bag; most drop-offs require loose pieces in a clear bin so they can be visually inspected for contamination.
Packing peanuts
The UPS Store franchise has long accepted clean packing peanuts at no charge for reuse in customer shipments. Call your closest store first — participation is per-franchise and a small number opt out. Bring peanuts in a clear bag so the store can confirm they are clean and free of other debris.
Some peanuts are now corn-starch based instead of EPS. The tell is the water test: a starch peanut dissolves in warm water; an EPS peanut floats and stays solid. Starch peanuts can go in your home compost or down the sink.
Foam takeout containers, cups, and meat trays
Food-contact polystyrene foam absorbs grease and food residue that cannot be cleaned out at scale. Even when you rinse it, the porous structure traps oils. Almost no U.S. recycler accepts it. A handful of states have moved to ban it from sale outright (Maine, Maryland, New York, New Jersey, Vermont, Washington, and several cities including Minneapolis and Saint Paul). In Minnesota, both Minneapolis and Saint Paul prohibit restaurants from serving food in EPS containers — but residents still see foam ship in with online orders. That foam belongs in the trash.
Minnesota options (Hennepin + MPCA)
The Minnesota Pollution Control Agency (MPCA) maintains a list of permanent EPS drop-off sites by region. Hennepin County runs periodic foam round-up events at its HHW facilities (typically in spring and fall — check the county events calendar before you drive). The Twin Cities also has private densifier operators that accept clean EPS by appointment. Use /check with your ZIP to see the verified nearest option for your county.
Step-by-step: prep + drop off
- 1. Sort by type. Clean white packaging blocks go in one bin, peanuts in another, food-contact foam in the trash.
- 2. Remove all non-foam. Tape, labels, cardboard, plastic film, and any adhesive residue have to come off before drop-off.
- 3. Pack loose, not bagged. Bring foam in a clear box or open clear bag so the drop-off attendant can confirm it is clean EPS #6.
- 4. Look up your local option. Try /check with your ZIP. We show the verified nearest drop-off and any seasonal foam round-up events in your county.
Frequently asked
Can I put Styrofoam in my curbside recycling bin?
Almost never. EPS foam jams the rotating-disk screens at single-stream sorting facilities and contaminates paper and cardboard loads. A few exceptions exist where a local hauler runs a separate foam route, but the default answer is no.
What is the difference between Styrofoam and EPS?
Styrofoam is a Dow trademark for one brand of extruded polystyrene used mostly in construction insulation. What you find around a new TV or in a cooler is expanded polystyrene (EPS), resin code #6. The recycling rules are the same for both, but only EPS is what residents typically have.
Where can I drop off packing peanuts?
Most UPS Store franchises accept clean peanuts free for reuse. Call ahead because participation is per-franchise. Bring them in a clear bag so the store can confirm they are clean and free of debris.
Can I recycle a foam cooler?
Maybe. Plain white EPS coolers (with no dye, no liner, no tape) are accepted at most foam drop-offs. Colored or printed coolers and any with adhesive lining usually have to be trashed. Remove the lid and break the cooler into pieces that fit in a clear container.
What about styrofoam takeout containers?
Used food-contact foam (clamshells, cups, meat trays) is trash in virtually every U.S. region. Grease and food residue absorb into the porous foam and cannot be cleaned out at scale. Minneapolis and Saint Paul ban restaurants from serving in EPS, but the takeout you already have in your fridge still gets trashed.
Does Home Depot or Best Buy take Styrofoam?
Not as a general policy. Home Depot does not run a foam take-back. Best Buy accepts electronics packaging only at a small number of pilot stores — call ahead. For consistent free drop-off, look for a Foam Cycle site or a county HHW seasonal event.
How can I tell if my packing peanuts are real EPS or biodegradable starch?
Drop one in a glass of warm water. Starch peanuts dissolve in a minute; EPS peanuts float and stay solid. Starch peanuts can go in home compost or down the sink. EPS peanuts go to a reuse drop-off or trash.
Is Styrofoam ever banned outright?
Yes, in a growing number of states and cities. Maine, Maryland, New York, New Jersey, Vermont, and Washington have statewide bans on EPS food-service packaging. Minneapolis and Saint Paul also ban EPS for prepared food. None of those bans tell residents what to do with foam they already have — that is still a recycling or trash question.
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