Effective January 1, 2023
As of January 1, 2023, all residential garbage customers in the City of Tigard can include food scraps in their yard debris carts. Yard debris includes all material grown in your yard and now you can include food scraps.
What CAN be included
Meat
Poultry
Fish and shellfish
Bones
Eggs and eggshells
Cheese and dairy products
Breads and baked goods
Pasta
Rice and other grains
Beans, nuts and seeds
Vegetables
Fruits
Table scraps
Plate scrapings
Spoiled food
Coffee grounds
Coffee filters
Tea bags
Food-soiled napkins
Grass clippings
Leaves
Plants
Pruned branches
Weeds
Leave it OUT
Cat litter/Pet waste
Coffee cups
"Compostable" or "biodegradable" bags that are not BPI-certified
"Compostable" or "biodegradable" takeout containers and utensils
Corks
Diapers
Facial tissue
Fast-food wrappers
Glass
Large amounts of grease or oil
Liquids
Metal
Packaging
Paper plates, cups and cartons
Plastic bags
Styrofoam
Wax paper
Roll Cart Tips
Keep lid closed
Store the cart in the shade during warm weather
Line bottom of cart with newspaper or a paper bag to help absorb moisture
Layer food scraps in between the yard debris
Sprinkle baking soda in the roll cart to reduce odors and deter insects
Use soap and water to clean the roll cart after it's emptied
Original source can be found here.