We partner with local city and county organizations to provide pollution prevention assistance (PPA) to businesses and organizations in their community. Click the video to learn how PPA can help your ...

The expansion of the Pasco Process Water Reuse Facility has been an example of how working together can lead to successful ...

Burn bans are called in the winter when smoke from wood stoves and fireplaces increase fine particle pollution. Always check ...

Starting Jan. 1, 2025, our Safer Products for Washington program implemented new regulations to reduce harmful chemicals in ...

Low Impact Development (LID) is a stormwater and land-use management strategy that tries to mimic natural hydrologic conditions by emphasizing the following techniques: Conservation Use of on-site ...

We track ozone pollution in current air quality conditions (map). We monitor ozone at 13 locations to make sure levels are in the healthy range. Currently, all areas of Washington meet the national ...

In September 2017, Ecology denied a water quality permit because of the project’s potential harm to the Columbia River and surrounding environment. Under the federal Clean Water Act, Millennium cannot ...

Find a household hazardous waste disposal site in your county. Accepts: Household hazardous waste. Does not accept wastes from business unless it is a scheduled small business collection event. Check ...

The Municipal Water Law (MWL) was passed in 2003. Ecology and the Department of Health (DOH) have different roles and responsibilities when it comes to implementing the MWL. Department of Health ...

a. General description of the site: Flat, rolling, hilly, steep slopes, mountainous, other: Ignoring structures and vegetation, describe the general shape or contour of the land including the project ...

The following templates are based on applicable SEPA rule sections and other guidance materials. Lead agencies are encouraged to modify these templates for their own use and add information for ...

We conduct State Environmental Policy Act (SEPA) reviews for some proposed rule amendments, programs, toxic cleanup actions, various minor projects, and a few major projects such as energy ...