Grass Valley, CA Trash & Recycling: Mandatory Organics Recycling (2026)

Mandatory organics recycling in the unincorporated county is driven by California Senate Bill 1383, the state's short-lived climate pollutant law administered by CalRecycle, which took effect statewide January 1, 2022, with the goal of cutting organic waste disposal 75% and recovering 20% of edible food. SB 1383 requires the county to offer three-bin collection service (trash, recycling, and organic waste) to all residents and businesses in the unincorporated county. Nevada County rolled out organics collection in the western county on January 6, 2025, timed to completion of the McCourtney Road Transfer Station renovation. Beginning that date, residents in the unincorporated county who subscribe to garbage service receive a three-cart system: black (regular waste), blue (recycling), and green (organic waste), and must separate food and organic waste from regular trash. Businesses that generate organic waste must comply, including multifamily residential dwellings of five or more units. The green cart accepts food scraps and yard waste, food-soiled non-waxy paper, breads, rice, pasta, coffee grounds and filters, tea bags, cooked meat, fish, and poultry including bones, dairy, eggshells, fruits, and vegetables; prohibited items include plastic bags, styrofoam, and invasive weeds such as blackberry, scotch broom, and poison oak. SB 1383 allows jurisdictional waivers: in Nevada County these apply only to areas of high elevation (above 4,500 feet) or low population (fewer than 75 residents per square mile), and some county areas qualify due to elevation and low density. Home composting is encouraged as an alternative, though residents remain responsible for properly disposing of waste they cannot compost. Because this is a state mandate, enforcement authority and standards flow from SB 1383 and CalRecycle, with the county implementing locally.