Home - Washington State Department of Ecology
The Washington State Department of Ecology provides resources and guidance on environmental protection and sustainability.
Cleanup sites - Washington State Department of Ecology
In Washington state, we've identified over 13,000 contaminated sites in need of cleanup. Over 7,000 of those sites have been cleaned up, and 200 to 300 new sites are reported every year.
Spills & Cleanup - Washington State Department of Ecology
Spills & Cleanup We prevent and clean up toxic leaks and spills across the state. We respond to spills, inspect chemical storage and transport facilities, and clean up complex contaminated sites that threaten the health of people and the environment.
Cleanup and Tank Search Reports - Washington
Cleanup Sites All cleanup sites in Washington state This is the master list of all contamination cleanup sites in Washington state, including sites that have been cleaned up. Contaminated Sites List Sites being cleaned up, waiting to be cleaned up, or that need more investigation. No Further Action Sites Sites that have been cleaned up or where contamination was …
What's in My Neighborhood: Toxics Cleanup - Washington
First choose the area you want to search. There are two ways to do this: Search the area visible on the map. Enter an address in the search field, or moving and zooming the map with your mouse. A list of cleanup sites in the visible area will be displayed to the left of the map. Find sites within a certain distance of a place. Toggle the 'Radius' switch to …
About us - Washington State Department of Ecology
About us Our vision: Our partnerships protect and sustain healthy land, air, water, and climate in harmony with a strong economy. Our mission: To protect, preserve, and enhance Washington’s environment for current and future generations.
CLARC - Washington State Department of Ecology
CLARC January 2025 updates are now online. Cleanup Levels and Risk Calculation (CLARC) is a compendium of technical information related to calculating cleanup levels under Washington's Cleanup Rule, the Model Toxics Control Act (MTCA) Regulation, Chapter 173-340 WAC. On these pages, you'll find information to help you establish cleanup levels for chemicals found at hazardous waste sites ...
Our programs - Washington State Department of Ecology
Our staff work across the state of Washington. Headquartered in Lacey, WA, with regional offices across the state, we maintain high standards of transparency, professionalism, and accountability. The employees in our environmental programs exhibit leadership in scientific research, creative problem-solving, complex project management, and …
Cleanup options - Washington State Department of Ecology
Under Washington law, you can clean up a contaminated site with or without Ecology's supervision. For all cleanups that Ecology supervises, cleanup schedules are negotiated with us and cleanup plans go through public review and Ecology approval. There are two options for Ecology-supervised cleanups ...
Guidance - Washington State Department of Ecology
When establishing cleanup levels for your contaminated site, use these guidance documents in combination with the CLARC data tables. CLARC — Cleanup Levels and Risk Calculation — is a compendium of technical information to help you determine hazardous waste cleanup levels under Washington's Model Toxics Control Act (MTCA).