Research & Data

Use this portal to filter and search for all of our scientific information.

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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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Research & Data

Use this portal to filter and search for all of our scientific information.

Research & Data icon

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.

See more about this collection...
Wastewater testing
Whole effluent toxicity testing ensures wastewater does not harm aquatic life.
https://ecology.wa.gov/Research-Data/Monitoring-assessment/Wastewater-testing
Modeling the environment
Computer models mathematically represent part of the environment to predict potential changes.
https://ecology.wa.gov/Research-Data/Data-resources/Models-spreadsheets/Modeling-the-environment
Habitat monitoring
We collect data on the health of environmental systems that support plant and animal life.
https://ecology.wa.gov/Research-Data/Monitoring-assessment/River-stream-monitoring/Habitat-monitoring
Marine water & sediment monitoring
We conduct water and sediment long-term monitoring to identify ecosystem changes.
https://ecology.wa.gov/Research-Data/Monitoring-assessment/Puget-Sound-and-marine-monitoring
Freshwater fish contaminant monitoring
We analyze freshwater fish for various toxic chemicals.
https://ecology.wa.gov/Research-Data/Monitoring-assessment/toxics-monitoring/Freshwater-fish-contaminant-monitoring
Models and tools for water quality improvement
We use models to predict water quality changes to help find strategies to address pollution.
https://ecology.wa.gov/Research-Data/Data-resources/Models-spreadsheets/Modeling-the-environment/Models-tools-for-TMDLs
Models & spreadsheets
Computer models predict changes and spreadsheets calculate. We offer these tools to the public.
https://ecology.wa.gov/Research-Data/Data-resources/Models-spreadsheets
Eyes over Puget Sound
We use aerial photos and data from our monitoring stations and ferries to report on Puget Sound.
https://ecology.wa.gov/Research-Data/Monitoring-assessment/Puget-Sound-and-marine-monitoring/Eyes-over-Puget-Sound
Monitoring watersheds for salmonids
Does salmon habitat restoration work? Our Intensively Monitored Watersheds program aims to find out.
https://ecology.wa.gov/Research-Data/Monitoring-assessment/River-stream-monitoring/Intensively-monitored-watersheds
River & stream water quality index
The Freshwater Quality Index can help you learn about river and stream health.
https://ecology.wa.gov/Research-Data/Monitoring-assessment/River-stream-monitoring/Water-quality-monitoring/River-stream-water-quality-index
Stream biological monitoring
We evaluate the health of rivers and streams by studying multiple aquatic communities.
https://ecology.wa.gov/Research-Data/Monitoring-assessment/River-stream-monitoring/Habitat-monitoring/Stream-biological-monitoring
Forest practices effectiveness monitoring
We evaluate whether forest practices rules protect fish, wildlife, and water quality.
https://ecology.wa.gov/Research-Data/Monitoring-assessment/River-stream-monitoring/Habitat-monitoring/Forest-practices-effectiveness-monitoring
GIS Data
Ecology's authoritative GIS data layers are available for download.
https://ecology.wa.gov/Research-Data/Data-resources/Geographic-Information-Systems-GIS/Data
Environmental Information Management System (EIM) - search data
Access to discrete and time-series environmental data for air, water, soil, sediment, aquatic animals, and plants.
https://ecology.wa.gov/Asset-Collections/Link-Assets/All-ECY/Environmental-Information-Management-System-EIM
QA planning process for NEP grantees
Printable and accessible PDF version of a flowchart showing the approval process for Quality Assurance Project Plans for National Estuary Program grantees.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/About-Us/How-We-Operate/QAPPs-for-grants/NEPQAFlowchart
Scientific services
We offer scientific services to support environmental work and inquiry for projects funded through public dollars. We provide accurate, credible, and defensible analyses using the latest accredited methods.
https://ecology.wa.gov/Asset-Collections/Link-Assets/Research-Data/Scientific-services
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.
https://ecology.wa.gov/Asset-Collections/Link-Assets/All-ECY/Rulemaking-at-Ecology
Online tools & databases
This is the gateway to Ecology's many web-accessible databases and tools.
https://ecology.wa.gov/Asset-Collections/Link-Assets/All-ECY/Online-tools-databases
Facility/Site database
Look up information on facilities and sites of interest to the Department of Ecology.
https://ecology.wa.gov/Asset-Collections/Link-Assets/All-ECY/Facility-Site-Database
Ecology subject referral directory
Look-up contact information for Ecology staff, by subject topic. Includes e-mail, phone, fax and location.
https://ecology.wa.gov/Asset-Collections/Link-Assets/All-ECY/Ecology-subject-referral-directory
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