What Mercer County itself runs: 1 landfill, site or program covering 3 items. If your town doesn’t have its own page, these are usually the places to start.
Checked October 26, 2026 · Call before you go · How we check
Mercer County Improvement Authority Household Hazardous Waste and Electronics Recycling Events
The MCIA holds three household hazardous waste collection and electronics recycling events a year for Mercer County residents at the John T. Dempster Fire School, 350 Lawrence Station Road, Lawrence Township (2026: March 21, June 13 and September 26, 8 a.m.–2 p.m.). Oil-based paint is accepted; latex paint is not.
The 2026 MCIA Household Hazardous Waste Collection and Electronics Recycling Events were at the Dempster Fire School, 350 Lawrence Station Road, Lawrence Twp., on March 21, June 13 and September 26, 2026, 8 a.m.–2 p.m. Checked October 26, 2026.
“Checked” means we read the official page on that date. Things can change, so call before you go.