The Alpha Ridge Landfill is open with modified operations.
This page is monitored and updated daily. Last update 8/30/20.
Saturday collections of Household Hazardous Waste at Alpha Ridge Landfill resumes April 4, 2020 and continues every Saturday through November.
Corrosive, flammable, reactive or toxic products, found in most homes, garages & workshops, are considered Household Hazardous Waste (HHW). These products pose risks if used, stored or disposed of improperly. Print our Alpha Ridge Landfill brochure.
Proper care is essential when dealing with Household Hazardous Waste.
Saturdays ONLY (April through November) from 8am to 4pm at the Alpha Ridge Landfill located at 2350 Marriottsville Road, Marriottsville, Maryland 21104.
Residents using the HHW program are required to show their drivers licenses as proof of residence in Howard County.
* Usable latex paint that is collected at the Alpha Ridge Landfill will be donated to local non-profit organizations. Call 410-313-6444 if your organization wishes to receive donated paint.
* Visit our KnowBeforeYouThrow webpage for how to dispose of these items.
** For explosives and fireworks, call the State Fire Marshall Office of Bomb Squad (Monday - Friday, 8am to 4pm) at 410-859-7152.
*** For radioactive materials, call the State of Maryland, Department of the Environment, Office of Radiological Health at 410-537-3300.
When arriving at the Residents' Convenience Area, you will be directed to the HHW drop off area and asked to move your items to one of the analyzing tables.
On-site chemists will examine the materials. They may ask for your help in identifying any unlabeled materials that you have brought. Based on their analysis, they will determine the proper packaging for transport and disposal of the hazardous materials.