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.
H5 Data Center Health Impact Assessment Report
This is the Health Impact Assessment Report for H5 Data Center
https://ecology.wa.gov/20211110h5healthimpactassessment
Draft rule changes summary-updated (WAC 173-424) 12-4-2024
“Rule Changes Summary” is a summary table of the changes we made since our initial draft in August.
https://ecology.wa.gov/draft-rule-changes-summary-wac-173-424-11-26-24
Draft rule language (tracked) (173-446)
draft rule language for WAC 173-446, offsets protocols
https://ecology.wa.gov/draft-rule-language-173-446-wac-10-1-24
H5 Data Centers notice of construction (NOC) application
This is the air quality notice of construction application for H5 Data Centers in Quincy.
https://ecology.wa.gov/20240402h5nocapprev
Universal Recycling Technologies
This document includes the audit for Universal Recycling Technologies.
https://ecology.wa.gov/universal-recycling-technologies
2025-27 Ecology Request Operating and Capital Budget Summary
Ecology's 2025-27 Operating and Capital Budget Request Summary
https://ecology.wa.gov/25-27operating-capitalsummary09-xx-24
AFFF EIS interactive plain text
This is the plain text version of the interactive AFFF environmental impact statement (EIS).
https://ecology.wa.gov/afff-eis-plain-text
SEPA checklist
This is the SEPA checklist for the draft statewide biosolids general permit.
https://ecology.wa.gov/sepa-checklist-36f4934c9ee89903e7cf59127b74e49a
Presentation about grants for overburdened communities
This is a presentation for the June 2024 listening sessions about grants for overburdened communities.
https://ecology.wa.gov/202406obcgrantspresentation
Washington State Climate Resilience Strategy Public Comment Draft
This draft public comment period details how to provide comments and feedback on the Climate Resilience Strategy.
https://ecology.wa.gov/public-comment-draft
Presentation for September/October 2024 information sessions about grants for overburdened communities
This is the presentation for September/October 2024 information sessions about grants for overburdened communities.
https://ecology.wa.gov/202409obcgrantspresentation
2023-25 Ecology Operating Budget Request
Ecology's 2023-25 operating budget request
https://ecology.wa.gov/23-25operatingrequest
Grant Application for Air Quality Clean School Bus Grant Program 2023–2025 (round 2): Frequently Asked Questions, August 1, 2024
This is the August 1, 2024 frequently asked questions (FAQ) about the grant application for Air Quality Clean School Bus Grant Program 2023–2025 (round 2).
https://ecology.wa.gov/20240801schoolbusfaq
Cap-and-Invest: No-cost allowance allocation for electric utilities
Presentation of Cap-and-Invest: No-cost allowance allocation for electric utilities meeting on Oct. 16, 2024
https://ecology.wa.gov/1016124nocostallowance
Bridge Point Tacoma – Settlement Agreement
Legal document for the agreement with Bridge Point Tacoma to help reduce air quality impacts from the South Tacoma warehouse project.
https://ecology.wa.gov/bridge-point-tacoma-settlement-agreement
CFS Workshop on Draft Rule Language
Slideshow presentation
https://ecology.wa.gov/presentation-wac-173-424-12-5-and-12-11-2024
25-27 Governor's Operating and Capital Budget Summary
Tables and narrative of Governor's 25-27 Operating and Capital Budget proposals
https://ecology.wa.gov/25-27govoperating-capitalsummaryjan2025
Workshop #7 Slides_May 14, 2024
Slides for Workshop #7 on May 14, 2024
https://ecology.wa.gov/workshop-7-slides_may-14-2024
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