Washington’s Compostable Product Labeling Law

Summary
Washington’s Compostable Product Labeling Law was enacted as part of the state’s broader Organics Management Law and began enforcement on July 1, 2024. This law regulates how compostable products are labeled and marketed in Washington to prevent greenwashing and contamination of composting systems. It requires that compostable products display a third-party certification logo, use a color signal (green, beige, or brown), and clearly state the word “compostable” on the product. The law also prohibits misleading environmental claims such as “biodegradable” or “eco-friendly” unless they meet specific standards.