Skip to main content

Polystyrene Ordinance

A New Ordinance Affecting ALL SLO County Businesses and Non-Profits Using Polystyrene Begins April 9, 2021
View Full Ordinance TextView Polystyrene FlyerView Tool KitApply for Exemption


Applies to:

  • Food and beverage providers
  • Non-profits, churches and clubs
  • Stores and businesses which sell/offer goods, services, or merchandise utilizing “to-go” or “dine-in” food and beverage containers
  • Contractors and event promoters who use “to-go” or “dine-in” food and beverage containers

Prohibited Materials Include:

  • Clamshells, bowls, plates, utensils, trays, wrappers, platters, condiment containers, cartons, cups, drinkware, ice chests, shipping boxes, packing peanuts, straws, non-encapsulated marine devices or other packaging materials.

Accepted Materials Include:

  • Reusable
  • Recyclable
  • Biodegradable


  • Undue hardship, affordability, public health, safety, medical*

*Businesses must provide documentation and file for an exemption.

Questions: Contact the San Luis Obispo IWMA Office
(805) 782-8530 Monday through Friday from 8:00am to 5:00pm

Join our mailing list