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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Chehalis flood reduction project draft EIS presentation
Presentation of draft EIS for Chehalis Basin flood-reduction project
https://ecology.wa.gov/chehalis-draft-sepa-eis-presentation
Cannabis Lab Accreditation Webinar Slides, 10-25-2018
Slide deck from outreach event about the draft legislative report on the accreditation of cannabis laboratories.
https://ecology.wa.gov/cannabis-labs-webinar-slide-deck-no-audio
A User's Guide to Compost: The Beauty of Your Lawn and Garden Blossoms from the Soil
A composting guide aimed at homeowners.
https://ecology.wa.gov/a-user-s-guide-to-compost-the-beauty-of-your-lawn
Best-Practices-Commingled-Recycling
Best management practices for commingled residential recycling
https://ecology.wa.gov/bmp-commingled
Cannabis Lab Report
Overview of Ecology's 2019 report to the Legislature on the state's cannabis lab accreditation program.
https://ecology.wa.gov/cannabis-lab-report-overview
Douglas County solid waste service level ordinance
A sample ordinance from Douglas County outlining minimum service levels for solid waste.
https://ecology.wa.gov/douglas-county-solid-waste-service-level-ordinance
Plan to improve cannabis lab accreditation
Ecology's overview of their plan to move cannabis lab accreditation to Ecology from the Liquor and Cannabis Board.
https://ecology.wa.gov/plan-for-cannabis-labs
ECY to Pend Oreille County regarding SEPA lead request
ECY response to Pend Oreille County Commissioners' letter requesting Ecology take the lead agency role in Environmental review of PacWest Silicon’s proposal
https://ecology.wa.gov/ecy-to-po-commissoners_lead-ag_july2018
Environmental Covenant for MSW and Limited Purpose Landfills
This is Ecology's official form for covenants with Washington's landfills.
https://ecology.wa.gov/environmental-covenant-for-msw-and-limited-purpose
Feedstocks composted 2010 - 2016
Excel file showing feedstocks composted (tons) 2010-16.
https://ecology.wa.gov/feedstocks-composted-chart-2010-15-plain-text
Preliminary Draft Rule Text (PDF)
Read the text of the rule with proposed changes highlighted.
https://ecology.wa.gov/preliminary-draft-rule-text
Food composted chart plain text - 2010-15
Excel file version of food composted chart for 2010-15
https://ecology.wa.gov/food-composted-chart-plain-text-2010-15
Pre-proposal Statement of Inquiry (CR-101) (PDF)
Original CR-101 filing from February 2016. This document gives background on the rulemaking process and explains the intent of the rulemaking. This form was withdrawn and the nresubmitted in February 2017.
https://ecology.wa.gov/pre-proposal-statement-of-inquiry-cr-101
Pre-proposal Statement of Inquiry (CR-101) (PDF)
February 2017 filing of the CR-101. This document gives background on the rulemaking process and explains the intent of the rulemaking.
https://ecology.wa.gov/pre-proposal-statement-of-inquiry-cr-101-1
7Q10 for High Flows on the Columbia/Snake Rivers
Guidelines for arriving at 7Q10 for dissolved gas standards.
https://ecology.wa.gov/7q10forhighflows
Wasted Food - Shifting the Tide
2018 Solid Waste Conference presentation on food waste
https://ecology.wa.gov/food-waste-presentation
Seasoft Scuba NOP
This is a Notice of Penalty for Seasoft Scuba
https://ecology.wa.gov/seasoft-penalty-nop
Identify Potential Funding Mechanisms: Appendix 3: Database with Descriptions of Funding Mechanisms
An Excel spreadsheet listing potential solid waste funding mechanisms
https://ecology.wa.gov/identify-potential-funding-mechanisms-appendix-3
2015 Water Quality Financial Assistance Applications
Record of those who applied for Water Quality Financial Assistance in 2015
https://ecology.wa.gov/2015-water-quality-financial-assistance-applicatio
2016 Ecology Water Quality Grant and Loan Recipient Administration Training
Ecology Water Quality Grant and Loan Recipient Administration Training
https://ecology.wa.gov/2016-ecology-water-quality-grant-and-loan-recipien
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