water quality

All the dirt in the Naches River was too much for the City of Yakima’s water treatment plant to handle. Desert cities and towns could see situations like this happen more often as the climate continues to change.

Washington is getting tougher on water pollution. The standard for water quality, based on how much fish people eat, is again more stringent. KNKX environment reporter Bellamy Pailthorp has the story.

Olympia’s Capitol Lake will revert to an estuary. That’s the expectation now that the state has released its final environmental impact statement. It says a return to tidal mudflats is the only way to meet state water quality standards.

Electron Hydro is facing a $501,000 fine from the state Department of Ecology – plus new requirements for monitoring water quality near its dam on the…

Washington’s salmon are “teetering on the brink of extinction,” according to a new report. It says the state must change how it’s responding to climate…

Endangered species in Washington will get a much-needed boost following the settlement of a major lawsuit about runoff and water quality. The case is…

A coalition of environmental groups, commercial fishermen and the Makah Tribe are suing the federal Environmental Protection Agency over its decision to…

The Salish Sea is a complex web of waterways that includes Puget Sound and the straits of Juan de Fuca and Georgia. It also has inflows from 64 rivers and…

A new way of getting juvenile salmon out to the ocean is the latest innovation at the Ballard Locks in Seattle. The Army Corps of Engineers, which runs…

The breakdown last month of Seattle’s wastewater treatment plant has poured hundreds of millions of gallons of untreated stormwater and raw sewage into…