Polystyrene Foam Rules: Honolulu vs Waipahu
How do polystyrene foam rules rules compare between Honolulu, HI and Waipahu, HI?
Waipahu has fewer restrictions than Honolulu.
Honolulu, HI
Honolulu County
Honolulu's Bill 40 (2019) prohibits food vendors from selling, distributing, or using polystyrene foam containers, plates, cups, and trays. Full enforcement began January 2022 after pandemic delays.
View full Honolulu rules →Waipahu, HI
Honolulu County
Hawaii has no statewide polystyrene ban, but Honolulu, Hawaii County, Maui County, and Kauai County have adopted ordinances prohibiting food vendors from using polystyrene foam containers for prepared foods.
View full Waipahu rules →Key Facts Comparison
| Fact | Honolulu | Waipahu |
|---|---|---|
| Authority | ROH Ch. 41 Art. 19 | - |
| Bill | Bill 40 (2019) | - |
| Full enforcement | January 1, 2022 | - |
| Covered items | Foam plates, cups, clamshells | - |
| Hardship waiver | Limited, application required | - |
| - | - |
Highlighted rows indicate differences between cities.
Honolulu FAQ
Are foam meat trays at grocery stores banned?
No. Pre-packaged raw meat and seafood trays remain exempt. The ban targets prepared-food service ware used by restaurants and vendors.
Do food trucks have to comply?
Yes. All food service vendors on Oʻahu — restaurants, trucks, caterers, school cafeterias — must use non-foam compostable or recyclable foodware.
Waipahu FAQ
Are polystyrene takeout containers banned in Hawaii?
Yes, by county ordinances in all four counties, though no statewide ban exists.
Can I still ship products to Hawaii in foam packaging?
Yes. The county rules generally target prepared food vendors, not pre-packaged shipments.
Is statewide preemption likely?
Hawaii does not preempt local single-use rules, and statewide bans have not yet been enacted.
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