The city of Kennewick plans a $33 million water treatment facility after detecting PFAS levels above Washington state action levels in March 2024 and March 2025. 

President Donald Trump has signed a broadly bipartisan bill that will extend deadlines for construction to begin on hydropower projects around the country. 

Overwhelmed by the sheer number of contractors and other trade professionals as you plan for a home project? Pacific Northwest National Laboratory is helping to make sure the most qualified can stand out from the rest, at least online. 

As irrigators around the state wrestle with another year of drought, state officials have launched an effort to brainstorm solutions with communities along with a new tool to help Yakima Valley property owners track water restrictions.

Nearly all customers of Kennewick Irrigation District will be without irrigation water for up to 10 days as the pumping facility that supplies its canals undergoes repairs. 

The owners of a Walla Walla Chevron gas station have reached a settlement with state ecology officials regarding penalties and cleanup costs for a 2023 gasoline leak that contaminated groundwater and led to the evacuation of the historic Marcus Whitman Hotel. 

The U.S. Small Business Administration is making low-interest loans available to Benton County businesses in response to the ongoing drought, but not all are eligible. 

A team of Washington State University researchers, including some based at the WSU Tri-Cities campus, have found a new method to treat sewage that reduces the costs of wastewater treatment while also creating renewable natural gas. 

More than 50 organizations are gathering to celebrate Earth Day at a free event April 18. 

The Confederated Tribes of the Umatilla Indian Reservation will use millions of dollars in funding from the U.S. Bureau of Indian Affairs to modernize and maintain its fish hatchery facilities around the region.