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Research & Data

Use this portal to filter and search for all of our scientific information.

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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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Your Y-Valve and how it works
This is a graphic explaining a Y-Valve and how it works
https://ecology.wa.gov/justine-asohmbom
Rulemaking Draft Citation List (WAC 173-228) 10/04/17
This is the draft citation list for WAC 173-228 Vessel Sewage No Discharge Zones
https://ecology.wa.gov/rulemaking-draft-citation-list-wac-173-228-10-04
Rulemaking Proposal (WAC 173-228) 10/04/17
This is a rulemaking proposal (CR-102) for WAC 173-228 Sewage No Discharge Zones
https://ecology.wa.gov/rulemaking-proposal-wac-173-228-10-04-17
Data Collection Form
This is a checklist form to collect data during the pilot program
https://ecology.wa.gov/pilot-data-collection-form
Nieuw Amsterdam, Holland America Line inspection report
This document is the inspection report for wastewater discharges for Nieuw Amsterdam, Holland America Cruise Line.
https://ecology.wa.gov/nieuw-amsterdam-holland-america-line-inspection-re
Norwegian Encore, Norwegian Cruise Line inspection report
This document is the wastewater discharges inspection report for Norwegian Encore, Norwegian Cruise Line.
https://ecology.wa.gov/norwegian-encore-norwegian-cruise-line-inspection
Y-Valve Education Pilot Program Sample Newsletter Template
This is a Newsletter Template for the Y-Valve Education Pilot Program
https://ecology.wa.gov/sample-newsletter-template
Rulemaking Proposed Language (WAC 173-228) 10/04/17
This is proposed rule language for WAC 173-228 Sewage No Discharge Zones
https://ecology.wa.gov/rulemaking-proposed-language-wac-173-228-10-04-1
SamplePumpOutCampaignSocialMediaPosts
This is a word document that contains sample posts for social media Pump Out, Don't Dump Out campaign
https://ecology.wa.gov/samplesocialmediaposts
Vessel Sewage System Maintenance Tips
This is an infographics that shows tips on how to properly maintain your boat sewage system
https://ecology.wa.gov/vessel-sewage-system-maintenance-tips
Water Quality funded stormwater activity project Recipient Closeout Report form
Required form for Water Quality funded stormwater facility projects in completing their Recipient Closeout Report
https://ecology.wa.gov/stormwater-activity-project-recipient-closeout-rep
Guidance for the 2-page Summary Report form for all Water Quality funded Activity-type Stormwater projects
The guidance for the required 2-page Summary Report form for all Water Quality funded Activity-type Stormwater projects
https://ecology.wa.gov/stormwater-activity-projects-2-page-summary-guidan
2-page Summary Report form for all Water Quality funded Activity-type Stormwater projects
Required 2-page Summary Report form for all Water Quality funded Activity-type Stormwater projects
https://ecology.wa.gov/stormwater-activity-projects-2-page-summary-templa
Water Quality funded stormwater facility project Recipient Closeout Report form
Required form for Water Quality funded stormwater facility projects in completing their Recipient Closeout Report
https://ecology.wa.gov/stormwater-facility-project-recipient-closeout-rep
Guidance for the 2-page Summary Report form for all Water Quality funded Facility-type Stormwater projects
The guidance for the required 2-page Summary Report form for all Water Quality funded Facility-type Stormwater projects
https://ecology.wa.gov/stormwater-facility-projects-2-page-summary-guidan
2-page Summary Report form for all Water Quality funded Facility-type Stormwater projects
Required 2-page Summary Report form for all Water Quality funded Facility-type Stormwater projects
https://ecology.wa.gov/stormwater-facility-projects-2-page-summary-templa
Puyallup River tributaries effectiveness monitoring
We’re studying bacteria pollution in tributaries to the Puyallup River.
https://ecology.wa.gov/research-data/monitoring-assessment/water-quality-improvement-effectiveness-monitoring/puyallup-river-tributaries
Effectiveness monitoring for water quality
Our scientists study the effectiveness of projects to protect and improve water quality.
https://ecology.wa.gov/research-data/monitoring-assessment/water-quality-improvement-effectiveness-monitoring
Kitsap County BEACH report
Learn about beaches sampled for bacteria levels in Kitsap County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/kitsap-county
Mason County BEACH report
Learn about beaches sampled for bacteria levels in Mason County in the summer of 2024.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report/mason-county
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