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.

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Governor's letter to the Chehalis Basin Board (non-dam alternative)

A letter from Governor Jay Inslee requesting the exploration of non-dam alternatives to the proposed Chehalis Basin River flood control dam

https://ecology.wa.gov/governor-s-non-dam-alternative-letter-chehalis-ba

Cleanup Rule comments received from the public, Ecology staff, and AGO (2009-2018)

This July 2019 document compiles the Cleanup Rule comments received from the public, Ecology staff and Office of the Attorney General from 2009 through 2018.

https://ecology.wa.gov/cleanup-rule-comments-received-2009-2018-july-201

Governor's letter to the Director (non-dam alternative)

A letter from Governor Jay Inslee requesting the exploration of non-dam alternatives to the proposed Chehalis Basin River flood control dam

https://ecology.wa.gov/governor-s-non-dam-alternative-letter-ecology-and

PUREX Administrative Order

The Department of Ecology issued this Administrative Order (Order) requiring Department of Energy-Richland Operations Office and CH2M HILL Plateau Remediation Company to comply with WA codes and the Hanford RCRA permit.

https://ecology.wa.gov/20170510purexenforcement

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

Rulemaking Announcement (WAC 173-50) 10/10/22

This is a rulemaking announcement (CR-101) for WAC 173-50 Accreditation of Environmental Laboratories.

https://ecology.wa.gov/rulemaking-announcement-wac-173-50-10-10-22

Applicant List for the SFY 2021 WQC funding cycle

WQC funding cycle SFY 2021 applicant list

https://ecology.wa.gov/wqcsfy2021applicantlist

Freshwater Algae Control Grant Program - SFY 2021 Final Offer List

For the Fresh Water Algae Control grants funding program, this is the State Fiscal Year 2021 Final Offer List showing which projects will be offered funding and how much is being offered to them.

https://ecology.wa.gov/sfy-2021-freshwater-algae-control-program-offer-li

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

First Rulemaking Notice No. 1 - STAG Nominations

You're invited to submit nominations for the Cleanup Rule Stakeholder & Tribal Advisory Group (STAG).

https://ecology.wa.gov/1strulemakingnotice01_stagjuly2019

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

Aquatic Invasive Plants grants funding program - FY2019 Final Offer List

For the Aquatic Invasive Plants grants funding program, this is the State Fiscal Year 2019 Final Offer List showing which projects will be offered funding and how much is being offered to them.

https://ecology.wa.gov/fy2019-aip-final-offer-list

Ecology Water Quality Funded Aquatic Invasive Plants Grant Project Offer List for Fiscal Year 2020

List of applicants who were offered grants/loan through Ecology's Water Quality Funded Aquatic Invasive Plants Grant Project for Fiscal Year 2020

https://ecology.wa.gov/fy2020-aquatic-invasive-plant

Ecology Water Quality Funded Aquatic Invasive Plants Grant Project Offer List for Fiscal Year 2021

List of applicants who were offered grants/loan through Ecology's Water Quality Funded Aquatic Invasive Plants Grant Project for Fiscal Year 2021

https://ecology.wa.gov/fy2021-aquatic-invasive-plant-grants-offer-list

FY 2019 Water Quality Combined Applications

List of all projects submitted via application for funding to the Water Quality Combined Funding Program

https://ecology.wa.gov/wqc-fy19-applications

Water Quality Combined Funding SFY2019 Final Offer List

List of funded and unfunded projects seeking grant and loan funding in the State Fiscal Year 2019 cycle of the Water Quality Combined funding program.

https://ecology.wa.gov/wqc-fy19-final-offer-list-excel-version

Water Quality Fiscal Year 2013 - 2015 Biennium Outcomes Report

2 year report on Water Quality projects funded by Ecology, covering Fiscal Years 2013 through 2015

https://ecology.wa.gov/fiscal-year-2013-2015-biennium-outcomes-report-f

EAGL Progress Report and Payment Request forms guidance

Guidance document for using the Ecology EAGL system for completing required project progress reports and payment requests for reimbursement

https://ecology.wa.gov/wqc-recipient-training-eagl-prpr-guidance

River & stream data quality assurance

See river and monitoring quality assurance plans, documents, and methods.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/water-quality-monitoring/river-stream-data-quality-assurance

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