Puget Sound

Puget Sound, the nation’s second largest marine estuary, faces a number of challenges related to population growth and development, habitat loss, and pollution. We work with local and tribal governments, state and federal agencies, non-profits, and private sector partners to protect and restore the Sound.
Puget Sound, the nation’s second largest marine estuary, faces a number of challenges related to population growth and development, habitat loss, and pollution. We work with local and tribal governments, state and federal agencies, non-profits, and private sector partners to protect and restore the Sound.

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King Tides: A glimpse into tomorrow, a photo challenge today

Information to provide your photos of King Tides along Washington's shorelines.

Ocean Acidification is real

Let’s be clear. Ocean acidification is real. Determining the causes, impacts, and identifying potential solutions are high priorities for our agency and the state.

Tackling Toxics: PCB problem requires creative solutions
We stopped using polychlorinated biphenyls (PCBs) 35 years ago, yet it continues to contaminate almost every water body in Washington.
Ferries for Science: Technology hitches a ride to better understand Puget Sound

State marine scientists collaborated to install a high-tech water monitoring sensor on the hull of the 64-car Salish ferry.

New science sheds light on Puget Sound dissolved oxygen

Two new reports evaluate the influence of people, climate, and the Pacific Ocean on oxygen levels in South and Central Puget Sound, as well as the larger Salish Sea.

Life is stressful at the bottom of Bellingham Bay
The communities of small invertebrates, also known as benthos, living in the sand and mud at the bottom of Bellingham Bay are showing signs of stress.
Grab your camera and snap a King Tide

The Washington King Tides Initiative needs your help documenting King Tides along Washington’s shores. Share your photos on washington.kingtides.net and the Flickr group.