Join Ecology Director Casey Sixkiller for an update and community feedback session about PFAS contamination in East Selah.

Tips for finding safer school supplies that protect students's health and the environment, and support learning all year long ...

We'd like your input on a legal agreement and other documents to clean up PFAS contamination at Paine Field in Everett.

We're sharing the notable updates we are proposing for the Sand and Gravel General permit as well as information about how ...

Channel migration zones are areas in a floodplain where a stream or river channel can be expected to move naturally over time in response to gravity and topography. Water bodies such as rivers and ...

The state Shoreline Management Act (SMA) defines a special category of shorelines where statewide interests take priority and specific uses are preferred. These "shorelines of statewide significance" ...

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 ...

A community's cultural and historic resources tell the distinct story of its past. From lumber mills to schools, sacred landscapes to archeological sites, rustic cabins to office towers, these ...

Under Washington's Shoreline Management Act, the ordinary high water mark (OHWM) is defined as a biological vegetation mark. For locations where the OHWM cannot be found, our Shoreline Master Program ...

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 ...

Find a moderate risk 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 with ...

We aim to provide timely information about contaminated site cleanups and opportunities for you to participate in that process. On this page you can find our: Contaminated Site Register — Sign up to ...