Fire danger is high in many areas because of hot, dry weather. Much of the state is still in a drought. Burn bans are in place across Washington. Check with your local fire district before lighting ...

We invite your comments on the permit application for Group 14 Technologies commercial facility in Moses Lake, Washington that manufactures lithium ion battery materials. The permit would allow the ...

Above, left to right: Ifeanyi Isigwe, Ecology toxics reduction engineer, works with Systems Interface’s Steven Hill, project engineer, and Matt Baker, strategy manager, to review, evaluate, and assess ...

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 ...

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 ...

Recently concluding its work, the Legacy Pesticide Working Group has compiled a series of recommendations to help developers, landowners, and community members address lead and arsenic contamination ...

Discharge standards can vary, but most of Washington's wastewater treatment plants (WWTPs) must meet technology-based effluent limits. See full standards and alternative discharge limit details in ...

Wildfire smoke is a major threat to human health. Smoke from wildfires is the largest source of particle pollution in Washington. Breathing in smoke causes wheezing and coughing, heart and lung ...

We're working with state partners, Tribes, and stakeholders to establish a process for coordinated clean energy permitting and develop programmatic environmental reviews for utility-scale solar, wind, ...

Our Permitting and Reporting Information System (PARIS) database contains information about water quality permits, inspections, enforcement actions, and discharge monitoring reports (DMRs). Both ...

You can help protect the environment by telling us if you see a problem that is causing pollution. We respond to issues that pollute and damage land, air, and water. The sooner we know, the sooner we ...

The Washington state well report (log) viewer, our most popular online resource, allows you to search for and view detailed records of the construction and subsurface characteristics of individual ...