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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Policy 1-11 Public Dialogue Data Used in the Assessment December 2016
This is a review of public dialogue about the issue of data used in the Water Quality Assessment/Policy 1-11 Updates Human Health Criteria Alternatives Proposed by Ecology
https://ecology.wa.gov/datausedissuepaperpolicy1-11
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
Draft Application for Coverage for Winery General Permit
This application for coverage, or otherwise know as the notice of intent, is the newest draft for comment on the new Winery General Permit.
https://ecology.wa.gov/draft-application-for-coverage-for-winery-general
draft modification presentation
PDF of presentation slides given during public comment period
https://ecology.wa.gov/draft-modification-presentation
Draft Chapter 173-230 rule language for informal comment period
This is the draft rule language that is open for informal comment.
https://ecology.wa.gov/draft-chapter-173-230-rule-language-for-informal-c
Draft fee schedule for informal comment period
This is the draft fee schedule that is open for informal comment.
https://ecology.wa.gov/draft-fee-schedule-for-informal-comment-period
Draft Citation List (WAC 173-201A) 07/17/08
This is a draft citation list for the proposed updates to Chapter 173-201A WAC, Water Quality Standards for Surface Waters of the State of Washington
https://ecology.wa.gov/draft-citation-list-wac-173-201a-07-17-08
Ecology Water Quality Funded Facility Projects Davis Bacon Act Guidance
Ecology Water Quality Funded Facility Projects Davis Bacon Act Guidance
https://ecology.wa.gov/davis-bacon-act-guidance
Ecology Water Quality Funded Facility Projects Davis Bacon Act Memo
Ecology Water Quality Funded Facility Projects Davis Bacon Act Memo
https://ecology.wa.gov/davis-bacon-act-memo
Ecology Water Quality Funded Facility Projects DBE Subcontractor Participation Form 6100-2
Ecology Water Quality Funded Facility Projects DBE Subcontractor Participation Form 6100-2
https://ecology.wa.gov/dbe-subcontractor-participation-form-6100-2
Discharge Monitoring and Reporting schedule
Annual Schedule of Discharge Monitoring and Reporting for Boatyard general permit
https://ecology.wa.gov/dmrschedule
Ecology Water Quality Funded Facility Projects DBE Subcontractor Participation Form 6100-3
Ecology Water Quality Funded Facility Projects DBE Subcontractor Participation Form 6100-3
https://ecology.wa.gov/dbe-subcontractor-participation-form-6100-3
Ecology Water Quality Funded Facility Projects DBE Subcontractor Participation Form 6100-4
Ecology Water Quality Funded Facility Projects DBE Subcontractor Participation Form 6100-4
https://ecology.wa.gov/dbe-subcontractor-participation-form-6100-4
Silva Cell Modeling Procedure
Report on using the Western Washington Hydrology Model (Vers. 4.0) to size Silva Cells for stormwater runoff treatment and flow control.
https://ecology.wa.gov/deeprootssilvacellmodelingprocedure
Draft Citation List (WAC 173-201A) 01/08/15
This is a draft citation list for WAC 173-201A Water quality standards for surface waters of the state of Washington.
https://ecology.wa.gov/draft-citation-list-wac-173-201a-01-08-15
Construction Stormwater General Permit DMR poster
Facilities with NPDES or State Waste Discharge permits are required to monitor the discharge from their facility and to submit reports to Ecology about this discharge. These reports are known as DMRs. The report requirements differ by permit type and water body.
https://ecology.wa.gov/dmrflyer
Diamond Track Environmental Trackout Mat
Letter that determined to be functionally equivalent to BMP C105: Stabilized Construction Entrance
https://ecology.wa.gov/diamond-track-environmental-trackout-mat
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