Research & Data

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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.

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2016 customer survey results highlights
This gives the big picture results of our survey by category and demonstrates how we commit to improve.
https://ecology.wa.gov/summary-of-customer-survey-results
SEPA CR-103
The Washington State Department of Ecology is adopting expedited rulemaking at the direction of the Washington legislature to amend Chapter 197-11 WAC, SEPA Rules. This rulemaking will incorporate amendments and new language in Chapter 43.21C RCW, State Environmental Policy Act (SEPA) and amends other sections of the rule to align with legislative directives.
https://ecology.wa.gov/sepa-cr-103
CR-101 Intro Webinar Presentation (WAC 173-201A) 10/17/2017
This is a webinar presentation about the rulemaking to revise recreational use criteria in the surface water quality standards (WAC 173-201A).
https://ecology.wa.gov/cr-101-intro-webinar-presentation-wac-173-201a-1
SEPA CR-105
Ecology is conducting expedited rulemaking at the direction of the Washington legislature to amend Chapter 197-11 WAC, SEPA Rules.
https://ecology.wa.gov/sepa-cr-105
SEPA Determination of Nonsignificance
Chapter 246, 2022 Session Law (Substitute Senate Bill 5818) of the Washington State Legislature mandated the Department of Ecology to complete expedited rulemaking by Dec. 31, 2022.
https://ecology.wa.gov/sepa-determination-of-nonsignificance
SEPA Environmental Checklist
The checklist guidance is intended to help applicants complete Section A of the SEPA (State Environmental Policy Act) environmental checklist.
https://ecology.wa.gov/sepa-environmental-checklist
SEPA OTS-4081.1 for filing
Under RCW 43.21C.440, GMA counties/cities may designate a planned action.
https://ecology.wa.gov/sepa-ots-4081-1-for-filing
05-03-2017 PRO-C Meeting
05-03-2017 PRO-C Meeting agenda and summary
https://ecology.wa.gov/05-03-2017-pro-c-meeting-agenda-and-summary
2010 SWG Key recommendations
2010 SWG Key recommendations
https://ecology.wa.gov/063010keyrecommendations
June 2014 Status and Trends Recommendations
June 2014 Status and Trends Recommendations
https://ecology.wa.gov/11june2014recommendsrsmpeffectivenesss-t
2010 Stormwater Monitoring and Assessment Strategy for the Puget Sound Region
2010 Stormwater Monitoring and Assessment Strategy for the Puget Sound Region
https://ecology.wa.gov/2010stormwaterstrategy
3-15-2017 Stormwater Work Group
3-15-2017 Stormwater Work Group Meeting Agenda and Summary
https://ecology.wa.gov/3-15-2017-stormwater-work-group-meeting-agenda-and
6-7-2017 Stormwater Work Group
6-7-2017 Stormwater Work Group Meeting Agenda and Summary
https://ecology.wa.gov/6-7-2017-stormwater-work-group-meeting-agenda-and
Recommendations for agricultural runoff monitoring
Recommendations for agricultural runoff monitoring
https://ecology.wa.gov/agrecommendation
BMP Effectiveness Database
Literature review of BMP Effectiveness conducted to help choose effectiveness study priorities.
https://ecology.wa.gov/bmp_effectiveness_database
Draft Agricultural Runoff Monitoring Strategy
Draft Agricultural Runoff Monitoring Strategy
https://ecology.wa.gov/draftagstrategy
Draft IDDE tracking Form SWG
This draft form was developed by the Stormwater Work Group as a proposed way to gather illicit discharge detection and elimination data from Western Washington municipal stormwater permittees.
https://ecology.wa.gov/draftiddetrackingformswg31517
SWM Yakima Landfill 2023
Drone checklist for SWM Yakima landfill fire 2023
https://ecology.wa.gov/swm-yakima-landfill-2023
SEA Port Susan Bay Restoration 2023
Drone project checklist for SEA PSB restoration 2023 and ongoing
https://ecology.wa.gov/sea-port-susan-bay-restoration-2023
Project Checklist SEA WCC South Prairie Creek 2023
UAS project checklist
https://ecology.wa.gov/sea-wcc-south-prairie-creek-2023
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