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 ...

Rulemaking is when we propose and adopt rules to protect the environment and public health. The Washington State Legislature guides all state rulemaking through a law known as the Administrative ...

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 ...

Planning to visit one of our offices? If you would like to meet with a staff member in person, please call ahead to confirm that they will be available. Our office hours are Monday to Friday, 8 a.m. – ...

We follow up on wetland mitigation sites to ensure mitigation requirements are fulfilled. Permittees are required to meet the terms and conditions of their permits, including successful implementation ...

We've always focused on protecting and improving Washington's environment. Our work removes toxics from the environment through prevention and cleanup, improves conditions for the food web, and ...

Once you have fully developed your water use permit and filed a proof of appropriation form, we may require you to hire a certified water right examiner to verify your water use. After we have ...

All laboratories seeking environmental accreditation must provide a quality assurance manual for review and approval by our auditors These resources, including a handy checklist, can help you write or ...

Under the State Environmental Policy Act (SEPA), project proposals are reviewed by a designated “lead agency.” While this is typically a city or county government, other entities such as ports, ...

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 ...

We also provide educational resources to property owners who want to drill a new well, maintain a well, or close down (decommission) an unused well. Well drillers and property owners have the ...

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 ...