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.
Draft 2021-2025 Section 309 Assessment & Strategy
Every five years, states and territories are encouraged to conduct self-assessments of their coastal management programs to determine problems and enhancement opportunities within each of the nine enhancement areas—and to assess the effectiveness of existing management efforts to address identified problems.
https://ecology.wa.gov/washington-coastal-zone-management-section-309-ass
Water Quality Combined Funding SFY 2021 Final Offer List (in Excel format)
For the State Fiscal Year 2021 funding cycle of the Water Quality Combined Funding Program, this is the Final Offer List information made available in an Excel format.
https://ecology.wa.gov/sfy-2021-final-offer-list-excel-version-wqc
Requirements for 401 Water Quality Certification Request
This table describes the required elements, documents, and actions to submit your certification request to the Department of Ecology.
https://ecology.wa.gov/certification-requirements-table
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
Water Quality Combined Funding SFY 2022 Final Offer List (in Excel format)
For the State Fiscal Year 2022 funding cycle of the Water Quality Combined Funding Program, this is the Final Offer List information made available in an Excel format.
https://ecology.wa.gov/sfy-2022-final-offer-list-excel-version-wqc
Order Remanding 2020 Section 401 Rule with Vacatur
Order from United State District Court Northern District of California that remands and vacates the 2020 Section 401 rule under the Clean Water Act.
https://ecology.wa.gov/cwa-401-order-remanding-with-vacatur
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
Presentation slides (WAC 173-323) 8/7/17
August 7, 2017 Presentation slides for Chapter 173-323 rulemaking.
https://ecology.wa.gov/presentation-slides-wac-173-323
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
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
EIM — environmental monitoring data
EIM contains environmental monitoring data collected by our scientists and partners.
https://ecology.wa.gov/research-data/data-resources/environmental-information-management-database
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
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
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
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
Mercury in fish tissue
We monitor mercury levels in freshwater fish throughout Washington.
https://ecology.wa.gov/research-data/monitoring-assessment/toxics-monitoring/mercury-in-fish-tissue
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