Howard County

March Special HHW Collection at Alpha Ridge Landfill

This one-day Household Hazardous Waste (HHW) event will be held from 8am to 4pm at the Alpha Ridge Landfill (2350 Marriottsville Rd, Marriottsville, MD 21104). Residents are required to show their drivers licenses as proof of residence in Howard County. Please see our website for guidelines and acceptable material.