Public Works hosting Household Hazardous Waste drop-off events in March Copyright 2017 Scripps Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed. 23ABC File Photo and last updated 2021-03-01 12:19:55-05 (KERO) â The Kern County Public Works Department is hosting three Household Hazardous Waste Collection events this month 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 March, are as follows: