Whole effluent toxicity testing ensures wastewater does not harm aquatic life.
We collect data on the health of environmental systems that support plant and animal life.
Models & spreadsheets
Computer models predict changes and spreadsheets calculate. We offer these tools to the public.
Eyes over Puget Sound
We use aerial photos and data from our monitoring stations and ferries to report on Puget Sound.
Ecology's authoritative GIS data layers are available for download.
Rulemaking at Ecology
Ecology has delegated federal and state authority to implement and enforce various environmental laws and rules. We accomplish this through our open and public rulemaking process.
Industrial Permits - look-up tool
Look up industrial section permits with hyperlinks to all documents currently available electronically. You can view active or proposed permits and associated documents: