The UV reactor where contaminated water is inundated with PCB-destroying ultraviolet light. This summer, Kaiser Aluminum’s ...

That is the true story of Rod Hankinson, who turned a missed opportunity into a lifetime of impact and inspiration. He has ...

We invite your comments on the draft 2022 Water Quality Assessment. The deadline for public comments is Friday, Jan. 10, 2025. The Assessment evaluates available water quality and sediment data ...

The Water Quality Assessment has millions of data points on rivers, streams, lakes, and marine waters across Washington state.

Toxic chemicals in consumer products can escape into our homes, workplaces, and schools, and eventually make their way to our ...

We invite you to comment on our latest draft report for Cycle 2.

We propose to approve Tidewater's Snake River Terminal air quality notice of construction (NOC) application. We will hold a public comment period if one is requested. Tidewater submitted a notice of ...

We propose to approve Imerys Quincy Plant's air quality notice of construction (NOC) application. We will hold a public comment period if one is requested. Imerys Filtration Minerals submitted a ...

Thanks to our brand-new Water Right Application Portal, water right applicants can apply for new water rights from their ...

A unique environmental program in Spokane is helping refugees and immigrants build connections with the environment and their ...