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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The scoop on monitoring for marine beach poop

View our safe swimming map for summer beach advisories and closures. Help us keep poop off the beach.

When pee is pollution

Puget Sound communities, Ecology, and our partners are working to reduce the amount of nutrient pollution in Puget Sound.  

West Point Treatment Plant water quality permit now issued

We've now issued the final permit for the West Point wastewater treatment plant in Seattle. It strengthens protective measures for Puget Sound with updates that match current water quality rules.

Looking back and looking forward on our beach monitoring season

Every summer we monitor beaches for fecal bacteria to protect beachgoers. Read our 2023 BEACH Program report and send us feedback on the proposed list of beaches that will be monitored in 2024.

Can’t beat the VEAT!

Knowing the number of vessels entering Washington waters helps us better understand oil spill risk and how it changes over time. This year marks the 30th anniversary of our VEAT report!

We’re bubbling over with joy for the bubble snails

Did you know that March contains not one but TWO bubble-themed holidays? Not to be left out of the fun, this month’s Critter is the bubbliest of them all: the bubble snails.

Boots on the ground: Kicking off a new WCC service term

Our incoming Washington Conservation Corps field crews have hit the ground runnings with environmental projects across Washington's trails, green spaces, and waterways.

Camano Island community takes the lead on septic solutions

The Maple Grove Community on Camano Island worked with Ecology and Craft3 to create a solution for their septic issues by the community, for the community. 

Bad blood? More like "mad love" for the Pacific blood star

With its bright coloring, the Pacific blood star Henricia leviuscula is a recognizable sight in rocky tide pools. Read on to learn about the crimson critter with a few tricks up its spindly sleeves.

Introducing the Puget Sound Benthos Toolbox

Our list of Puget Sound invertebrates is over 1,200 and growing! We have compiled photos, descriptions, and reference materials of all documented invertebrates in a new interactive dashboard.