Research & Data
Use this portal to filter and search for all of our scientific information.
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.
The Tri-Cities Ozone Precursor Study
A report on the ozone study conducted in the Tri-Cities area.
https://ecology.wa.gov/20171212tricitiesozoneprecursorstudy
State Agency Greenhouse Gas Emissions Calculator
State agencies use this calculator to determine and report their greenhouse gas emissions.
https://ecology.wa.gov/stateagencyghgcalculator
2017 Greenhouse gas emissions by sector
Alt text for greenhouse gas emission by sector graphic
https://ecology.wa.gov/20200407-2017ghgemissionsbysector-alt
Received through January 18, 2012: Comments on Ecology's Fish Consumption Rates Technical Support Document (Version 1)
Comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).
https://ecology.wa.gov/20120118fcrcommentsforversion1
Dioxin Study Technical Memo
This is a PDF file that summarizes well testing results in the Lower Yakima Valley.
https://ecology.wa.gov/dioxin-study-technical-memo
Received through January 18, 2012: Emailed form comments in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).
Emailed (form) comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).
https://ecology.wa.gov/20120118fcrformlettercommentsforversion1
July 16, 2012: Ecology's approach to fish consumption standards in Washington state
Former Ecology Director Ted Sturdevant's 2012 transmittal letter announcing Ecology's approach to fish consumption standards in Washington state.
https://ecology.wa.gov/20120716sturdevantfcrapproachtostandards
August 30, 2012: Fish consumption rates technical support document [draft Version 2]
Former Ecology Director Ted Sturdevant's 2012 transmittal letter announcing release of fish consumption rates technical support document [draft Version 2.0].
https://ecology.wa.gov/20120830sturdevantfcrtechsuppdraftv2
Received through October 26, 2012: Comments on Ecology's Fish Consumption Rates Technical Support Document (draft Version 2.0)
Comments received through October 26, 2012, on Ecology's Fish Consumption Rates Technical Support Document (draft Version 2.0).
https://ecology.wa.gov/20121026fcrcommentsforversion2
QuincyWWTFtmdl
TMDL Fact Sheet for the Quincy Industrial Waste Treatment Facility
https://ecology.wa.gov/quincy-waste-treatment-facility-tmdl
November 5, 2012: Fish Consumption Technical Review Meeting
Meeting summary from Nov. 5, 2012, technical review panel meeting to discuss the revised version of the Fish Consumption Technical Report V.2, hosted by Washington State Department of Ecology.
https://ecology.wa.gov/20121105fcrtechreviewmtngforv2
November 27, 2012: Fish Consumption Technical Review Meeting
Meeting summary from Nov. 27, 2012, technical review panel meeting to discuss the revised version of the Fish Consumption Technical Report V.2, hosted by Washington State Department of Ecology.
https://ecology.wa.gov/20121127fcrtechreviewmtngforv2
January 15, 2013: Final fish consumption rates technical support document
Former Ecology Director Ted Sturdevant's 2013 transmittal letter announcing release of final fish consumption rates technical support document (version 2.0).
https://ecology.wa.gov/20130115sturdevantfcrtechsupportdocv2
Instream assessment of biota and migration patterns final report
Study of aquatic life and migration patterns in the Palouse River.
https://ecology.wa.gov/instream-assessment-of-biota-and-migration-pat-1
Instream assessment of biota and migration patterns study design
Study of aquatic life and migration patterns in the Palouse River.
https://ecology.wa.gov/instream-assessment-of-biota-and-migration-pattern
BMP Effectiveness Database
Literature review of BMP Effectiveness conducted to help choose effectiveness study priorities.
https://ecology.wa.gov/bmp_effectiveness_database
CO2 Removal Projects Standards Analysis - SCS Global Services
This independent report was commissioned by the Washington Legislature in 2021 to examine the potential for carbon removal projects in Washington.
https://ecology.wa.gov/20230726scsglobalreportcarbonsequestration
Air quality studies
Information about air quality studies we conduct.
https://ecology.wa.gov/research-data/scientific-reports/air-quality-studies
Freshwater Aquatic Plants Manual
An illustrated guide to some of the more common freshwater aquatic plants found in Washington, such as hydrilla, milfoil, pondweeds, bladderworts, and more.
https://ecology.wa.gov/freshwater-aquatic-plants
BEACH annual report
See our annual county-by-county report on bacterial levels at saltwater swimming beaches for 2023.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report
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