Hartwell Avenue Composting Facility Location 60 Hartwell AvenueLexingtonMA02421 Next Event Household Hazardous Waste Disposal Event - May 23, 2026 - 9:00 am - 2:00 pm Upcoming Events Household Hazardous Waste Disposal Event - May 23, 2026 - 9:00 am - 2:00 pmPaper Shredding Event - June 27, 2026 - 8:00 am - 12:00 pm