Research & Data

Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.
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Washington Air Quality Advisory
The Washington Air Quality Advisory (WAQA) tells you when air quality is healthy or unhealthy.
Effectiveness monitoring for water quality
Our scientists study the effectiveness of projects to protect and improve water quality.
River and stream monitoring
Our freshwater data helps us to assure clean and abundant water to support human and aquatic life.
Groundwater quality assessment
Our hydrogeologists monitor and assess groundwater quality and quantity in Washington.
Coastal zone mapping & erosion monitoring
We survey Washington's coastlines to monitor coastal erosion and track sediment movement over time.
Testing for chemicals in consumer products
We test consumer products to make sure manufacturers comply with chemical restrictions.
Models & spreadsheets
Computer models predict changes and spreadsheets calculate. We offer these tools to the public.
Air quality studies
Information about air quality studies we conduct.
Columbia River reports & documents
Our Office of Columbia River scientific reports and documents support water supply projects for Eastern Washington
EIM — environmental monitoring data
EIM contains environmental monitoring data collected by our scientists and partners.
Toxics Release Inventory
The Toxics Release Inventory (TRI) identifies chemicals used at businesses or facilities.
BEACH annual report
See our annual county-by-county report on bacterial levels at saltwater swimming beaches for 2018.
Solid waste & recycling data
View data on solid waste collection and recycling in Washington.
Monitoring watersheds for salmonids
Does salmon habitat restoration work? Our Intensively Monitored Watersheds program aims to find out.
EIM submit data
Ecology partners, submit your environmental monitoring data to EIM online. View on a large screen for best results.
Using MyEIM
MyEIM is an advanced tool for searching and analyzing EIM data and is best viewed on a large screen.
Modeling the environment
Computer models mathematically represent part of the environment to predict potential changes.
Monitoring for lead in lakes & streams
We monitor temporal changes in the lead levels of rivers and streams in the state.
Mercury in fish tissue
We monitor mercury levels in freshwater fish throughout Washington.
Data collection methods
We collect beach topography and nearshore bathymetry data using GPS, boat-based lidar, and sonar.
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