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Water quality standards update
We are proposing a change in how we test for bacteria. These tests are a more precise indicator of contaminants that can affect human health and the environment.
We can't effectively regulate Hanford cleanup without access to key information from U.S. Department of Energy
We've issued a Director's Determination, giving the U.S. Department of Energy 30 days to meet our information requirements.
Use caution if your local lake has a colorful coating
Reports of toxic blue-green algae blooms are beginning to surface east of the Cascades.
Tackling nitrate contamination
Among our top priorities in Governor Jay Inslee’s 2020 supplemental budget is a request for $378,000 to expand monitoring for nitrates in Lower Yakima Valley private drinking water wells.
Legacies of lead & arsenic
Romans added lead to many products, ranging from makeup and contraception to cookware and in the early 1900s, lead arsenate was the most widely used pesticide in the U.S.
Here comes the sun! The golden petal worm shines like the rays of the spring sun
This month’s critter has a set of flowery petals that shine through the dark waters of Puget Sound like the golden rays of the sun.
Little Spokane River cleanup plan ready for public review
Ecology's draft plan for better water quality in the Little Spokane River is available for comment
On the road to a toxic-free future: How close are we after 50 years?
Ecology’s Hazardous Waste program looks back at 50 years working to reduce industrial waste, and looks ahead to what comes next
Next phase of Port Gamble Bay cleanup is underway
Long used for recreation, food harvesting, and other culturally important activities, Port Gamble Bay, home to the Port Gamble S'Klallam Tribe, is one of seven Puget Sound Initiative priority bays.
Our sediment monitoring team contributes to the Smithsonian’s Global Genome Initiative
Our scientists use DNA barcoding to identify Puget Sound benthic invertebrates. This work is a collaboration for the Global Genome Initiative.