Illness prevention: if you are coughing or sneezing and you feel sick, stay home.
Never place ABOP or Special Waste in curbside collection carts.
- ABOP & Special Waste (recyclable Household Hazardous Waste and sharps) must be dropped off for proper disposal at designated facilities. Residents can drop off these items free for environmentally safe disposal.
For ABOP & Special Waste details, review the Accepted Items for Drop-Off and Items Not Unaccepted.
Kiefer ABOP & Special Waste Drop-Off Facility
Location: 12701 Kiefer Blvd., Sloughhouse, CA 95683 - View us on Google Maps
Hours: Tuesday through Saturday, 8:30 a.m. to 4:00 p.m. (Closed Thanksgiving, Christmas and New Year’s Day)
All local HHW drop-off locations including acceptable and unacceptable items are listed in the Regional Household Hazardous Waste Drop-Off Facilities brochure (Spanish).
Residents can drop off up to 15 gallons or 125 pounds of accepted items per month at the Kiefer ABOP & Special Waste Facility for free.
Items Accepted at the Kiefer ABOP & Special Waste Facility
- Antifreeze
- Batteries (household & car) - if taped, only clear tape
- Oil (motor & filters / cooking)
- Paint (latex/oil-based)
- Aerosol Cans (containing product and empty)
- Brake/Transmission Fluid
- Fluorescent Tubes and Bulbs (up to 12 tubes per month)
- Ballast - must be removed from fixture
- Needles and Syringes - Home-Generated (in sealed hard plastic or metal containers). Other options: sharpstakebackcalifornia.org / 1-844-482-5322.
- Mercury Thermometers and Switches
- Propane Tanks (barbecue style, limit two, maximum 5-7 gallons)
Items Not Accepted at the Kiefer ABOP & Special Waste Facility
- Acids
- Ammunition
- Asbestos
- Compressed industrial gas
- Controlled substances
- Explosives
- Gasoline and other flammables
- Household cleaners
- Medical waste
- Paint thinners
- Pesticides and herbicides
- Polychlorinated biphenyl (PCB), a banned chemical compound previously used in coolants and plasticizers
- Pool chemicals and poisons
- Radioactive materials
- Railroad ties or treated wood (only accepted at Kiefer Landfill - not at ABOP & Special Waste facility)
- Solvents
For safety, read and follow the product labels when handling special waste products.
- Keep products in their original containers, if possible. Label materials that are not in their original containers. (NOTE: Do not put motor oil in any container that was used for bleach, acid, or flammable liquid.)
- Do not mix products or allow products to accidentally mix.
- Lids must be tightly sealed to prevent spills.
- Place leaking containers in a larger, plastic container with a tight-fitting lid.
- Put all products upright in a cardboard box so they do not tip over in transport.
- Ensure adequate ventilation if transported inside a passenger vehicle.
- Keep flammables out of direct sunlight and away from sources of heat, spark, flame or ignition.
- Do not smoke near products or on County property.
- Remain in your vehicle upon arrival at the facility, prepare to show your driver’s license, and allow staff to offload your waste.
Additional Information:
