Howard County Dump Hours

8 AM–4 PM

Alpha Ridge Landfill

Howard County Dump Hours: Everything You Need to Know

If you’re a resident of Howard County, Maryland, and need to dispose of household hazardous waste (HHW) or other items, the Alpha Ridge Landfill is the place to go. Here’s everything you need to know about the landfill’s hours, what you can and can’t dispose of, and more.

Alpha Ridge Landfill Hours

The Alpha Ridge Landfill is open to residents for HHW disposal on Saturdays from April through November, 8:00am – 4:00pm.

What You Can Dispose of at the Alpha Ridge Landfill

The Alpha Ridge Landfill accepts a wide variety of HHW, including:

  • All Purpose Cleaner
  • Batteries (rechargeable)
  • Brake Fluids
  • CFL bulbs and tubes
  • Degreasers
  • Drain Cleaners
  • E-cigarettes & Vapes*
  • Finishing Strippers
  • Fluorescent Light Bulbs
  • Fungicides
  • Gasoline
  • Herbicides
  • Kerosene
  • Metal Polish
  • Mildew Removers
  • Nail Polish Remover
  • Oven Cleaners
  • Paint**
  • Pesticides
  • Photography Chemicals
  • Pool Chemicals
  • Rug Cleaners
  • Rust Removers
  • Scouring Powders
  • Solvents
  • Spot Removers
  • Swimming Pool Chemicals
  • Transmission Fluids
  • Upholstery Cleaners
  • Wood Preservatives

*Must be disassembled before disposal.
**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.

What You Can’t Dispose of at the Alpha Ridge Landfill

The Alpha Ridge Landfill does not accept the following items:

  • Ammunition
  • Asbestos
  • Commercial waste
  • Dioxin
  • Explosives
  • Fire Extinguishers
  • Fireworks
  • Industrial waste
  • Kepones (an insecticide)
  • Medical waste
  • PCB’s
  • Radioactive materials

How to Prepare HHW for Disposal

Before you bring your HHW to the Alpha Ridge Landfill, please take the following steps to prepare it for disposal:

  • Even green, natural cleaners can be hazardous. Please also dispose of these products responsibly.
  • DON’T mix different or unknown materials together in the same container.
  • Bring materials in their original container or in a secure, clearly labeled, leak-proof container.
  • Make sure lids are tight.
  • Group similar materials to make unloading easier.
  • If the container leaks, pack contents and container in a larger leak-proof package and use an absorbent material (such as cat litter) to soak up leaks.

Drop-off Area Guidelines

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.

Additional Resources

For more information about the Alpha Ridge Landfill and HHW disposal, please visit the following websites:


The Alpha Ridge Landfill is a valuable resource for Howard County residents who need to dispose of HHW and other items. By following the guidelines outlined above, you can help ensure that your waste is disposed of safely and responsibly.

8 AM–4 PM

Household Hazardous Waste

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