Last two HHW collection events of 2025 are Wednesday Dec. 3rd and Saturday Dec. 6th. Collections resume March 4th & 7th in 2026. Use it up, Share it, or Take it to Devens HHW. Devens Household Hazardous Products Collection Center is open from 9am-1pm. Drop off your Household Hazardous Waste (HHW) and properly dispose of […]