Summary: Less Than Statutory Notice request for tariff revisions to pass through the King County Hazardous Waste Tax. On January 1, 2020, the King County Board of Health is increasing the Local Hazardous Waste Management Plan fee by 5.5 percent, or $0.05 per month for single family customers. Kent Meridian serves approximately 124,000 garbage customers in King County. The company's last general rate increase became effective on July 1, 2018.