On this page you will find stormwater project requirements and resources such as forms, design guidance, and templates for the Water Quality Combined Funding Program. These requirements apply for any ...

Ecology is responsible for overseeing state rules that implement the State Environmental Policy Act (SEPA).

Ecology is at work statewide to protect your air, water and quality of life. Learn more about our regional work.

In Washington, we have a powerful law that helps state and local agencies identify potential environmental impacts that might result from proposed projects and decisions. This law is called the State ...

Known cleanup sites with potential drinking water contamination Ecology knows that there is PFAS contamination in groundwater in these areas. If your water system is in one of these areas, it may be ...

The City of Bellevue, in collaboration with Herrera Environmental Consultants, will evaluate the maintenance thresholds or conditions for the following stormwater Best Management Practices (BMPs): ...

Sustainability isn't just about environmental responsibility — it's also about innovations that cut costs and reduce waste. The Washington Applied Sustainability Internship (WASI) program pairs ...

Public Participation Grants (PPG) provide up to $60,000 per year to individuals and nonprofit organizations to increase public understanding and involvement in cleaning up contaminated sites and ...

For more information on the programmatic environmental impact statement currently being developed by the Energy Facility Site Evaluation Council on electrical transmission, please visit their website.

Drought This year, like many years in recent history, was charactered by low water supply. Six of the last ten years have included some level of drought in Washington. In 2024 low snowpack and ...

The Solid Waste Advisory Committee helps us develop policies to support the successful implementation of Washington's solid waste laws and the State Solid and Hazardous Waste Plan. The committee is ...

We're proposing to award $386 million in grants and loans for 134 high-priority clean water projects across the state. Our Water Quality Combined Funding Program supports communities by helping them ...