Southwest Region

Ecology has four regional offices. TheSouthwest region includes Clallam, Clark, Cowlitz, Grays Harbor, Jefferson, Mason, Lewis, Pacific, Pierce, Skamania, Thurston, and Wahkiakum counties.
Ecology has four regional offices. TheSouthwest region includes Clallam, Clark, Cowlitz, Grays Harbor, Jefferson, Mason, Lewis, Pacific, Pierce, Skamania, Thurston, and Wahkiakum counties.

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New grant program aims to restore, protect Puget Sound riparian areas

We are launching new grant program to make Puget Sound riparian areas more resilient to climate change.

Expanding air monitoring for the 2024 wildfire season

Ecology is expanding air monitoring across the state in response to wildfire smoke. 

Big investments boost Washington's coastal resiliency

New $73.6 million federal grant helps tackle coastal climate-related threats.

Proposed Port Angeles pilot project seeks to test technology to pull harmful carbon dioxide out of the air 

A pilot project proposed in Port Angeles is designed to test a new approach to removing carbon pollution.

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!

World Wetlands Day

It's World Wetlands Day help us celebrate by learning more about Wetlands and how we're protecting them. 

Grant to help build coastal climate resilience

We received an $850,000 grant to support an innovative partnership to build climate resiliency in Washington's coastal areas.

Looking for water right documents?

We've streamlined how we post water right documents and decisions. Our new online portal has most documents in one location for each of our four regions  

Cleaning up: Tackling dioxins and PAHs in Budd Inlet
Ecology and the Port of Olympia are amending a legal agreement that requires the port to clean up contamination in sediment — the mud, sand, and silt under the waters of Budd Inlet.
Washington’s water supply outlook
Because of a May heatwave, state watersheds lost almost half their snowpack in just 18 days. Now summer river forecasts in some watersheds predict low flows.