Baltimore City Department of Public Works Acting Director Matthew W. Garbark today reminds citizens that the Household Hazardous Waste Drop-Off event for July will occur on Friday and Saturday, July 10 and 11. This is a correction to the dates noted in the 2020 DPW Calendar. The event will be held from 9:00 a.m. until 7:00 p.m. on both days, July 10 and 11, at the Northwest Citizens' Convenience Center, located at 2840 Sisson Street.