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 ...

We conduct projects that use Geographic Information System (GIS) produced maps as aids in accomplishing our mission. We build and maintain GIS maps to help our staff and the public understand the ...

We use Geographic Information System (GIS) tools and procedures to help accomplish our mission to protect the land, air, and water of the state. This technology is widely used in support of the agency ...

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 ...

Looking for a service provider? Here is a excel spreadsheet that lists certified UST service providers.This list is updated quarterly. Disclaimer: We do not assume any liability for the accuracy or ...

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 ...

SEPA guidance for determining lead agency and evaluating the proposal. Under the State Environmental Policy Act (SEPA), most new proposals are reviewed by a designated “lead agency.” While this is ...

The Rayonier Mill property covers about 70 acres of land on the shore of the Strait of Juan de Fuca. Ennis Creek runs from the foothills of the Olympic Mountains, through the site, and into Port ...

We enforce Washington's regulations on toxic chemicals in products, educate the public about these chemicals, and develop policies to reduce or eliminate the use of toxic chemicals whenever possible.

Ecology, local clean air agencies, and Tribes can restrict indoor and outdoor burning under certain conditions. Air quality burn bans protect people when the air is unhealthy. Fire safety burn bans ...

As the state’s lead agency managing litter programs, we operate youth and adult litter pickup crews and provide funding for litter pickup and prevention to state and local governments. We also oversee ...

Our Product Replacement Program is a cutting-edge, preventative program designed to identify and address the most problematic chemicals impacting the state. It provides: Reimbursement funding.