Ecology, local clean air agencies, and Tribes can restrict indoor and outdoor burning under certain conditions. Air quality burn bans protect people when the air is unhealthy. Fire safety burn bans ...

We propose updates to the human health criteria in Table 240 of WAC 173-201A-240, Toxic substances, to: Replace 143 state-adopted human health criteria for 73 pollutants that the Environmental ...

Solid waste incinerators (excluding hog fuel burners and crematoria facilities) Municipal waste landfills Special incinerator ash landfills or monofills Inert waste and demolition waste landfills All ...

Rainwater collection, including the use of rain barrels, has become more popular as a supplemental source of water. In 2009, we issued a rainwater use interpretive policy, which clarifies that you may ...

We invest funds from the Volkswagen settlement and our Clean Diesel program in projects that reduce emissions from transportation. These investments help improve air quality and people's health. They ...

Every year we prepare reports and analyses for the Legislature to support our work on developing long-term water supplies in Eastern Washington. These reports aid water managers in making decisions on ...

Governmental agencies use the SEPA environmental checklist to help determine whether a proposal will have significant adverse environmental impacts. The information helps identify what measures can be ...

Will Ecology adopt the universal waste aerosol cans rule? At this time, we have not adopted the Environmental Protection Agency’s (EPA) rules for universal waste aerosol cans. Businesses must continue ...

The refinery began operating in 1954 and has about 285 employees and 200 contractors that work on the site. The facility processes crude oil into a variety of petroleum products. At full production, ...

Find a household hazardous waste disposal site in your county. Accepts: Household hazardous waste. Does not accept wastes from business unless it is a scheduled small business collection event. Check ...

Air quality burn bans are called by our agency, local clean air agencies, and tribes when air is unhealthy. A burn ban limits wood stove use and outdoor burning. Use the map below to find out which ...

The Department of Health recommends private well owners test their drinking water every year for coliform bacteria and nitrate. These two contaminates can rapidly affect a person’s health — possibly ...