Please do not pour antifreeze, oil, or other chemicals on the ground, into storm sewers, or down the drain! Take these toxic substances to your local waste disposal facility. The City of Denton Home Chemical Collection program provides proper disposal of household hazardous waste (HHW.) All Denton residents, in single-family homes and apartments, receive at-home collection of HHW. To schedule a collection, call Customer Service (940) 349-8700 between 8 a.m. and 5 p.m., at least one day prior to your trash/recycling/yard waste collection day.