At its most basic level, you must send all organic waste to a facility that can compost it. You must sort your recyclables and organic waste including paper, cardboard, yard waste, food scraps, and food-soiled paper from the trash. You can do this either through service with Upper Valley Disposal and Recycling or you can separate organic materials and self-haul to a compost facility. Facilities that you can self-haul compost to in Napa County include Clover Flat Resource Recovery Park and the Napa Recycling and Composting Facility.
There are other parts of the regulations that apply to businesses only (not residents).