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Household Hazardous Waste
 Rockville will collect household hazardous waste by appointment.

Leftover household products, such as oil-based paints, cleaners, oils, batteries and pesticides, contain corrosive, toxic, ignitable or reactive ingredients that are considered household hazardous waste. Rockville offers a convenient and safe collection service to help you safely dispose of these products. 
  • Call 240-314-8568, Monday-Thursday, 7 a.m. to 5 p.m., to schedule an appointment and for instructions for how to safely set materials out for collection.
  • Self-hauling waste to the Montgomery County Transfer Station (16101 Frederick Road) is also an option.
Bottles and containers of household hazardous waste 

Liquids and Chemicals
(Must be in original containers or in a clearly marked container, then placed in a box labeled “HAZMAT." Place box in a secure area, such as the top of your driveway, to prevent spills.)
  • Acids/caustics (cleaning and pool chemicals)
  • Aerosol cans with fluid (place emptied cans in recycling cart)
  • Motor oil, antifreeze, brake fluid (no more than 4 jugs)
  • Pesticides, poisons, insecticides
  • Oil-based paint
  • Used liquid cooking and vegetable oil (no more than 5 gallons. So that the oil may be recycled, do not mix it with any other fluids and place in a container with a tight-fitting lid, metal or plastic containers are preferable).
  • No gasoline, gas-oil mixes, flammable liquids, unwanted fuels (these items should be taken directly to the Montgomery County Transfer Station).
  • No latex paint (solidify and place in refuse cart)
  • Car batteries
  • Rechargeable batteries (lithium, nickel-cadmium, nickel metal hydride, small sealed lead acid, mercuric oxide, silver oxide).Passenger tires (no more than 4 per collection, rims removed)
  • Compact fluorescent bulbs
  • Propane tanks with the valve attached (if there is no valve on the tank it can be placed in your gray refuse cart)
  • Vehicle tires 
  • No tire rims (see Metal Recycling Special collections section for disposal)

Recycling and Refuse
questions, concerns, request a cart, report missed collections or schedule a special collection

Ph: 240-314-8568
Ph (TDD): 240-314-8137

Monday - Thursday
7 a.m. to 5 p.m.

Animal Control
Removal of dead animals
Ph: 240-314-8930

City Police
Explosives and ammunition
Ph: 240-314-8900