Household Hazardous Wastes

Hours of Operations

Wednesdays: 8am to 4pm
1st & 3rd Saturday: 8am to 4pm

Holiday Closures

New years Day, 4th of July, Thanksgiving Day, and Christmas


About Household Hazardous Wastes

Also known in Washington as moderate risk wastes (MRW), household hazardous wastes (HHW) are the unused, leftover household products that can be harmful to humans and the environment. Asotin County and its waste partners are allowed to drop-off HHW and electronics at the HHW Facility during operating hours. There are no fees for disposing of HHW by residents of Asotin County and our solid waste partners.

All businesses or institutions wanting to drop-off hazardous waste must be approved by completing the MRW Conditionally Exempt Small Quantity Generator (CESQG) Application Form. Registered CESQGS must pay a fee based on the type and quantity of waste. To be classified as a CESQG, a business must generate less than 220 pounds of dangerous waste, or less than 2.2 pounds of certain kinds of highly toxic waste, in any month. CESQG waste is accepted by appointment only.

Accepted Items

  • Batteries (except for lithium)
  • Paints and Adhesives
  • Used Motor Oil
  • Anitfreeze
  • Gasoline
  • Cleaners
  • Aerosols
  • Herbicides
  • Pesticides
  • Fertilizers
  • Pool Chemicals
  • Mercury Thermometers
  • Switches and Thermostats
  • Other Flammable Materials
  • Other Poisonous Materials
  • Electronics
  • Light bulbs/lamps
  • Rechargeable, Lithium, and Automotive Batteries*

* Alkaline batteries may be disposed of with garbage and landfilled.


Quantity Limits (Alone or Combined):

10 gallons total, or 20 containers


For more information regarding the HHW program, contact the Hazardous Waste Coordinator, Matthew Lynch, at (509) 758-9230 or visit the FAQ.