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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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

Summary of Ecology Listening Session December 2018. Feedback on Draft Implementation Memo No. 22: Vapor Intrusion (VI) Investigations and Short-term Trichloroethene (TCE) Toxicity

This summary of the December 2018 Ecology Listening Session provides feedback on participant questions regarding Draft Implementation Memo No. 22.

https://ecology.wa.gov/summary-of-ecology-listening-session-december-2018

Supreme Court Decisions

Summary of selected Washington State Supreme Court decisions related to shorelines.

https://ecology.wa.gov/selected-supreme-court-decisions

Summary of the rule (WAC 173-26-090)

Summary of changes to state shoreline master program requirements regarding periodic reviews.

https://ecology.wa.gov/summary-of-the-rule-wac-173-26-090

Summary of WWHM2012 updates

This is a summary of all of the updates to the 2012 model from the WWHM3

https://ecology.wa.gov/summary-of-wwhm2012-updates

Supporting Documents - Department of Health License Files

Supporting Documents from the Department of Health License Files

https://ecology.wa.gov/supporting-documents-department-of-health-licens

Summary Changes Addendum Chapter 173-230

This is a document that summarizes the changes in the rule language to help crosswalk from the old rule language

https://ecology.wa.gov/summarychangesaddendum

Supporting Documents - Ecology (PDF Portfolio)

Supporting Documents from Ecology

https://ecology.wa.gov/supporting-documents-ecology-pdf-portfolio

Summary Table: Certification to Perform UST System Services (WAC 173-360; WAC 173-360A) 01/24/18

This table identifies the underground storage tank (UST) system services requiring use of a service provider and the certification that a service provider must have to perform those services under the proposed rule, Chapter 173-360A WAC.

https://ecology.wa.gov/summary-table-certification-to-perform-ust-system

Summary Table: Operation and Maintenance Compliance Dates (WAC 173-360; WAC 173-360A) 01/24/18

This table summarizes the dates by which owners and operators of underground storage tanks (UST) systems installed on or before the effective date of the proposed rule, Chapter 173-360A WAC, would need to comply with the new operation and maintenance requirements specified in Part 4 of the rule.

https://ecology.wa.gov/summary-table-operation-and-maintenance-complianc

Summary Table: Previously Deferred UST System Compliance Dates (WAC 173-360; WAC 173-360A) 01/24/18

This table summarizes the dates by which owners and operators of previously deferred underground storage tank (UST) systems installed on or before the effective date of the proposed rule, Chapter 173-360A WAC, would need to comply with the requirements of the rule.

https://ecology.wa.gov/summary-table-previously-deferred-ust-system-comp

Summary Table: UST System Record Retention Periods (WAC 173-360; WAC 173-360A) 01/24/18

This table summarizes how long owners and owners of underground storage tank (UST) systems would need to retain records of various regulated activities under the proposed rule, Chapter 173-360A WAC.

https://ecology.wa.gov/summary-table-ust-system-record-retention-periods

Sunset Storm Drain incident press release

Press release for the Sunset Storm Drain incident

https://ecology.wa.gov/sunset-storm-drain

Summary of Activities October 2014 - January 2015

https://ecology.wa.gov/summary-of-activities-october-2014-january-2015

Supplemental Information for WGHOGA NPDES permit application

Burrowing shrimp document: Supplemental Information for WGHOGA NPDES permit application

https://ecology.wa.gov/supplemental-information-for-wghoga-npdes-permit-a

Surface-Water/Ground-Water Interaction (WAC 173-557; 173-555) 01/27/15

Surface-Water/Ground-Water Interaction of the Spokane River and the Spokane Valley/Rathdrum Prairie Aquifer, Idaho and Washington, United States Geological Survey, Water Resources Investigations Report 03-4239U for WAC 173-557; 173-555 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.

https://ecology.wa.gov/surface-water-ground-water-interaction-wac-173-55

Sumner Approved SMP December 2014

Shoreline Master Program that has been adopted by the local jurisdiction and Approved by Ecology

https://ecology.wa.gov/sumner-approved-smp-december-2014

Summary preliminary draft permit changes Sand and Gravel General Permit.

This document provides a summary of the proposed changes in the Preliminary Draft Sand & Gravel General Permit.

https://ecology.wa.gov/summary-preliminary-draft-permit-changes

Sand & Gravel General Permit Summary of Changes

Summary of Changes in the Preliminary Draft Sand & Gravel General Permit

https://ecology.wa.gov/summarypreliminarydraftpermitchanges

Summary Proposal Yakima County

Water Banking Summary Proposal for Yakima County Public Services Department

https://ecology.wa.gov/summary-proposal-yakima-county