To request ADA accommodation, contact Ecology's ADA Coordinator by email at ecyadacoordinator@ecy.wa.gov, or call 360-407-6831, 711 (relay service), or 877-833-6341 (TTY). More about our accessibility ...

The Weldcraft Steel & Marine site is one of 12 Bellingham Bay cleanup sites coordinated through the Bellingham Bay Action ...

SEPA Categorical Exemption for Infill Housing (SB 5412) Second Substitute Senate Bill 5412 amends SEPA RCW 43.21A.229 to allow proposed housing within urban growth boundaries to rely on environmental ...

The 2025 conference was a homecoming for many community leaders and an eye-opening orientation for those brand new to ...

In honor of Critter of the Month's tenth birthday, let's explore the world of one of Puget Sound's most graceful ten-legged ...

TurboWaste is retiring July 1, 2025 On July 1, 2025, TurboWaste will no longer be available. You can view previously submitted data using the search tool, but any data that is unsubmitted before July ...

In 2017, the Washington Legislature passed Senate Bill 5939 to promote a sustainable, local renewable energy industry through modifying tax incentives. One portion of the bill created Chapter ...

The dangerous waste annual report is a combination of required forms and other documents that summarize your dangerous waste activities in Washington. If you have an active EPA/State Identification ...

Wastewater Operator Certification Program Fees We are required to fund the Wastewater Operator Certification (OpCert) Program with fees (WAC 173-230-240). We review and evaluate these fees every two ...

Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our ...

On July 1, 2025, Ecology adopted amendments to Chapter 173-224 WAC - Water Quality Permit Fees. The purpose of this chapter is to provide a permit fee system for state waste discharge and National ...

Special requirements for management of dangerous waste pharmaceuticals In 2020, the special requirements for the management of dangerous waste pharmaceuticals (special requirements) (WAC 173-303-555) ...