Our aquatic plant specialist explains the differences between invasive and native milfoils, why native milfoils are important ...

Sample of vitrified material at the U.S. Department of Energy's Office of River Protection. For the past few decades, the most dangerous radioactive and chemical waste has been and continues to be ...

We are working with an advisory group to research and write Voluntary Clean Water Guidance for Agriculture. This guidance document will be a technical resource for agricultural producers that ...

NextCycle Washington advances recycling and reuse projects for a circular economy. The third cohort of teams just started our ...

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 ...

When do you need to secure items in your truck or trailer? Every time you hit the road. Unsecured loads cause over 300 crashes in Washington every year and cause up to 40% of roadside litter — let’s ...

Use the EIM map or form to search, view, and download environmental monitoring data for air, water, soil, sediment, aquatic animals, and plants. EIM includes focused datasets and search pages for ...

Below normal precipitation compounded with the effects of multiple droughts have experts concerned about this year's conditions.

We improve and protect water quality, manage and conserve water resources, and effectively manage coastal and inland shorelines to assure our state has sufficient supplies of clean water for ...

Explore our eight study regions to discover what we are learning about health of Washington's river and stream habitats. See text below the map for more study details. Ecological indicators provide ...

When food goes in the trash, so do resources, time, and money. Save on all three with small changes to your cooking and shopping habits. Get started today. Your food saving journey starts here. We’ve ...

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 ...