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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Olympic View Landfill - Draft Periodic Review

This is a draft of a five-year periodic review of site conditions at Olympic View Sanitary Landfill in Port Orchard, Washington.

https://ecology.wa.gov/olympic-view-landfill-draft-periodic-review

Optional joint review process

SMP guidance on optional joint review process

https://ecology.wa.gov/optional-joint-review-process

Order on Petition for Declaratory Judgment (WAC 173-557; 173-555) 01/27/15

Order on Petition for Declaratory Judgment Regarding the Validity of an Agency Rule, and Petition for Judicial Review of Agency Action Denying Petition to Amend Agency Rule regarding rulemaking for WAC 173-557 and 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/order-on-petition-for-declaratory-judgment-wac-1

OTS-2519.1 For Filing (WAC 173-185) 9/2/20

Proposed rule language for Chapter 173-185 WAC, Oil Movement by Rail and Pipeline Notification

https://ecology.wa.gov/ots-2519-1-for-filing-wac-173-185-9-2-20

Other rule changes (WAC 173-400;401) 12/20/16

Other rule changes 12/20/16

https://ecology.wa.gov/other-rule-changes-wac-173-400;401-12-20-16

Other rule changes (12/06/16)

Possible rule changes not related to SSM

https://ecology.wa.gov/other-rule-changes-wac-173-400;401-12-6-16

ORCAA comments (WAC 173-460) 02/08/19

These are ORCAA's 2/8/19 comments about de minimis values in Chapter 173-460 WAC.

https://ecology.wa.gov/orcaa-comments-wac-173-460-02-08-19

OptoRTC Continuous Monitoring and Adaptive Control Aproval

This is the signed functional equivilant document granted by Ecology for OptiRTC CMAC.

https://ecology.wa.gov/optortc-cmac-approval-letter

Order denying removal of technical advisor

The Court denies DOE's motion to remove a Technical Advisor from the case.

https://ecology.wa.gov/order-denying-removal-of-technical-advisor

Order discharging technical advisors

The Court has completed its work with the technical advisors and will be issuing Amended Consent Decrees concurrent with this Order.

https://ecology.wa.gov/order-discharging-technical-advisors

Oregon Tank Waste Consent Decree

Amended Consent Decree Between Dept. of Energy and State of Oregon

https://ecology.wa.gov/oregon-tank-waste-consent-decree

Online formal draft presentation Sand and Gravel General Permit

PowerPoint presentaion on the new Sand and Gravel General Permit lanugage.

https://ecology.wa.gov/online-formal-draft-presentation

Formal Draft Workshop Presentation

This is a presentation of the Sand & Gravel General Permit Draft permit language (October 2015)

https://ecology.wa.gov/onlineformaldraftpresentation

Orting Approved SMP August 2008

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

https://ecology.wa.gov/orting-approved-smp-august-2008

Chapter 173-925 WAC

This is the official rule language adopted for WAC 173-925, regarding required content of recycled plastic in plastic products.

https://ecology.wa.gov/ots-copy-of-chapter-173-925-wac

Unified Command Notice: No Known Impacts to Dungeness Fisheries from Olympic Pipeline gasoline spill Conway, WA

Notice about Impacts to Dungeness Fisheries from Unified Command

https://ecology.wa.gov/unified-command-notice-no-known-impacts-to-dungeness-fisheries

Olympic Pipeline Unified Command Notice: No Known Impacts to Dungeness Fisheries_Spanish

Notice about Impacts to Dungeness Fisheries from Unified Command in Spanish

https://ecology.wa.gov/olympic-pipeline-unified-command-notice-no-known-impacts-to-dungeness-fisheries_spanish

Olympic Pipeline Response and cleanup fact sheet

Response and cleanup fact sheet for the Olympic Pipeline incident

https://ecology.wa.gov/olympic-pipeline-response-and-cleanup-fact-sheet

Olympic Pipeline Response and cleanup fact sheet in Spanish

Response and cleanup fact sheet in Spanish for the Olympic Pipeline incident

https://ecology.wa.gov/olympic-pipeline-response-and-cleanup-fact-sheet-in-spanish

Organics Management Local Government Requirements Workbook

This spreadsheet contains Ecology's workbook for local governments outlining compliance requirements for Washington's organics management laws.

https://ecology.wa.gov/organics-management-local-government-requirements-workbook