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Household Hazardous Chemical Drop-Off Day, Annual Programs

2014 Schedule

Public Works Solid Waste Operations hosts a Household Chemical Drop-Off Day once a year at the Public Works Maintenance Facility located at 375 Airport Road. Longmont residents may bring unwanted cleaners, solvents, pesticides, aerosol cans, paint and other chemical wastes for disposal at no additional charge. You must bring a City of Longmont utility bill to the Household Chemical Drop as the program is only available to City Refuse Collection Customers. Chemists will be on-site to identify and properly dispose of many types of household hazardous chemicals.

Items Not Accepted


Year Round Household Hazardous Chemical Drop-Off Location

The City of Longmont Public Works Solid Waste Operations also contributes to a year-round Household Hazardous Waste drop-off in Boulder County. Longmont residents can take hazardous chemicals to the facility at 1901 63rd Street in Boulder. Please bring a City of Longmont utility bill to the Household Hazardous Waste Facility, as the program is available at no cost to City refuse collection customers only. Some restrictions apply, so call the Boulder County Household Hazardous Waste program at 303-441-4800 for more information about disposing of hazardous chemicals and to verify their hours of operation.