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Household Hazardous Waste
Rockville will collect household hazardous waste by appointment. Call 240-314-8568 weekdays, 7 a.m. to 3 p.m., to schedule an appointment and for instructions for how to set materials out for collection. In addition, self-hauling waste to the Montgomery County Transfer Station (1601 Frederick Road) is an option.
| ACCEPTED HOUSEHOLD HAZARDOUS WASTE | NOT ACCEPTED | ||
| 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) |  | No gasoline, gas-oil mixes, flammable liquids, unwanted fuels (these items should be taken directly to the Montgomery County Transfer Station). |
| Aerosol cans, with fluid (place emptied cans in recycling cart) | | No tire rims (see Special Collections section for disposal) |
| Motor oil, antifreeze, brake fluid (no more than 4 jugs) | | No latex paint (solidify and place in refuse cart) |
| Pesticides, poisons, insecticides | ||
| Oil-based paint | ||
| Other: | |||
| 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). | ||