Waste tires are those no longer suitable for their intended purpose due to wear or damage. Accumulations of waste tires harbor mosquitos, snakes, and other vermin, which pose health risks, such as the ...

Not all hardrock mining sites are contaminated. If you have a property with an abandoned mine, we may be able to help with sampling to determine if there are contamination concentrations above state ...

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 ...

Washington's recycled content law (Chapter 70A.245 RCW) sets minimum post-consumer recycled content (PCRC) standards for specific products. This page explains which products are subject to the law and ...

Casey Sixkiller was appointed by Governor Bob Ferguson as the 14th Director of the Washington State Department of Ecology. With more than two decades of experience in federal, Tribal, regional, and ...

We maintain the spatial datasets described here in order to better describe Washington's diverse natural and cultural environments. As a public service, we have made some of our data available for ...

We accredit Washington environmental laboratories — including those that analyze drinking water, wastewater, soil, sediments, and solid waste — for Washington state. Accredited laboratories provide ...

Spend time in Washington, and you're likely to encounter one of the many cascading rivers, salmon-filled streams, or picturesque lakes in abundance. From the Puget Sound lowlands to the high desert, ...

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 ...

The EPA provides resources for all the components on the municipal stormwater permits. The Washington Stormwater Center provides resources for municipal stormwater permittees. Stormwater Management ...

Proficiency testing sample providers must comply with the most current proficiency standards to be recognized by our laboratory accreditation program. Six providers of Proficiency Testing (PT) samples ...

Lea la historia de Hanford en español aquí. The past, present, and future of the Hanford Site is long and complex, dating back well before the site's construction in the 1940s and long into the future ...