Kern County Public Works HHW collection events for January 2021 Copyright 2017 Scripps Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed. 23ABC File Photo and last updated 2020-12-18 19:10:00-05 KERN COUNTY, Calif. â The Kern County Public Works Department hosts monthly Household Hazardous Waste Collection Events throughout the County of Kern. Residents can drive-up and drop off their hazardous waste free of charge at any of these one-day collection events. HHW collection events are for residential hazardous waste only. Commercial or business waste will not be accepted. The schedule for these one-day collection events for the month of January are as follows: