Region contacts - Washington State Department of Ecology Planning to visit one of our offices? If you would like to meet with a staff member in person, please call ahead to confirm that they will be available Our office hours are Monday to Friday, 8 a m – 5 p m If you don't know the staff member's phone number, use our Staff Directory to look them up
Home - Washington State Department of Ecology Ecology proposes permit updates for Puget Sound wastewater treatment plants June 18, 2025 New incentives for clean aviation, heavy-duty trucking proposed in updates to Clean Fuel Standard
401 Water quality certification - Washington State Department of Ecology The certification includes conditions so that the project’s construction and operation would meet state water quality requirements The conditions include specific best management practices, requirements to obtain future Ecology permits, and monitoring and notification requirements
Research Data - Washington State Department of Ecology 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 state’s land, air, and water
Contact Us - Washington State Department of Ecology Ecology's work near you; Publications forms; Public input events listing; Grants loans; Laws, rules, rulemaking; Contracts bids; Report environmental issues
About us - Washington State Department of Ecology Find everything you need to know about Ecology — what we do, why we do it, and the latest news Meet our director; Our strategic plan; News; Our programs; Environmental justice; Our history ; Social media; See more
Waste Toxics - Washington State Department of Ecology Waste Toxics We work to safely manage solid, hazardous, and nuclear waste and reduce toxic chemicals in the products you use We regulate the threats found in everyday household products and help businesses promote green practices to turn waste products into valuable resources
Blog - Washington State Department of Ecology Ecology's previous round of Prevent Nonattainment grants helped agencies in Okanogan County improve air quality to meet national air quality standards
Air Climate - Washington State Department of Ecology Air Climate Everyone deserves clean air to breathe and a sustainable future that responds to challenges presented by climate change To reach these goals, we regulate harmful emissions from vehicles, burning, and industrial activities to help protect air quality and reduce greenhouse gases that increase temperatures around the globe
Nooksack Adjudication Web Map - appswr. ecology. wa. gov The purpose of the this map is to demonstrate mapping in the MVC Ecology Template For questions concerning this map, please contact us by phone: 1-800-772-8824 (1-800-SQUATCH) or email: big foot@ecy wa gov