Washington's working forests cover millions of acres, with the timber industry playing a vital economic role throughout the state. The Department of Natural Resources oversees the Forest Regulation ...

One of the main pollution sources from urban and suburban communities is stormwater. Stormwater is rain and snow melt that flows over rooftops, streets, landscaping, and parking lots that can pick up ...

The Washington state well report (log) viewer, our most popular online resource, allows you to search for and view detailed records of the construction and subsurface characteristics of individual ...

This is the gateway to Ecology's many web-accessible databases and tools.

We maintain the spatial datasets described here in order to better describe Washington's diverse natural and cultural environments. As a public service, we have made some of our data available for ...

Phases out the use of copper in vehicle brakes and requires manufacturers to certify that brakes comply with the law. Regulates lead, cadmium, phthalates, and other chemicals in children's products.

In 2008, Washington's Legislature passed the Children's Safe Products Act (or CSPA) (Chapter 70A.430 RCW). This law applies to children’s products sold in Washington state. Washington’s laws apply to ...

This report summarizes the requirements and approaches to petition the Environmental Protection Agency (EPA) for a no discharge zone and an overview of research on some other states' petitions. This ...

The Ecology Litter Corps (formerly Ecology Youth Corps) hires teens 14 –17 years old to serve on summer litter crews and provide an important service to their community. They gain valuable job skills, ...

Your input is valuable to our decision-making process. We post water right documents for notice or comment. Documents posted for comment have a link to our online comment form. Other documents are ...

Find a grant or loan and details about the application process, eligibility, types of projects, timelines, requirements, and other information. Click on one of the links below.

The refinery began operating in 1955. Owned by Marathon and doing business as Tesoro, it processes crude oil into a variety of petroleum products and has about 330 employees and 280 contractors that ...