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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Oil spill drill self-certification guidance

Contains the instructions when you are approved to self-certify an oil spill drill, or provide documentation for incidents/unannounced drills.

https://ecology.wa.gov/self-certification-drill-checklist

September 16, 2020 Webinar Slides - Vessel Movement Module

Webinar slides for September 16, 2020, meeting

https://ecology.wa.gov/september-16-2020-webinar-slides-vessel-movement

Sample VBAP-ECOPRO submission letter

Vessel companies applying for Voluntary Best Achievable Protection (VBAP) or Exceptional Compliance Program (ECOPRO) status may use this template to create their submittal letter.

https://ecology.wa.gov/sample-vbap-ecopro-submission-letter

Rulemaking Announcement (WAC 173-187) 4/17/23

This is a rulemaking announcement (CR-101) for WAC 173-187 Financial Responsibility

https://ecology.wa.gov/rulemaking-announcement-wac-173-187-4-17-23

Rulemaking Announcement (Tug Escort Rulemaking - Chapter 363-116 WAC) 02/22/23

This is a rulemaking announcement (CR-101) for Tug Escort Rulemaking (Chapter 363-116 WAC)

https://ecology.wa.gov/rulemaking-announcement-tug-escort-rulemaking-chap

Adopted rule language for WAC 173-186, Oil Spill Contingency Plan - Railroad 12/12/2019

Rulemaking Adoption rule language (WAC 173-186) holder text

https://ecology.wa.gov/rulemaking-adoption-rule-language-wac-173-186-ho

Rulemaking Adoption (WAC 173-182) 12/18/19

This is a rulemaking adoption (CR-103) for WAC 173-182, Oil Spill Contingency Plan

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-182-dec

Rulemaking Announcement (WAC 173-186) 12/05/18

This is a rulemaking announcement (CR-101) for WAC 173-186 Oil spill contingency plan — railroad.

https://ecology.wa.gov/rulemaking-announcement-wac-173-186-12-05-18

Rulemaking Announcement (WAC 173-182) 01/02/19

This is a rulemaking announcement (CR-101) for WAC 173-182 Oil Spill Contingency Plan.

https://ecology.wa.gov/rulemaking-announcement-wac-173-182-01-02-19

Chapters 173-180 and 173-184 WAC Rulemaking Public Hearings presentation

Presentation for Chapters 173-180 and 173-184 WAC Rulemaking Public Hearings

https://ecology.wa.gov/chapters-173-180-and-173-184-wac-rulemaking-public

Rulemaking Proposal — Continuance (WAC 173-182) 8/21/19

This is a rulemaking proposal (CR-102) continuance for WAC 173-182 Oil Spill Contingency Plan.

https://ecology.wa.gov/rulemaking-proposal-continuance-wac-173-182-8

Rulemaking Proposal — Continuance (WAC 173-186) 7/11/19

This is a rulemaking proposal (CR-102) continuance for WAC 173-186 Oil Spill Contingency Plan - Railroad.

https://ecology.wa.gov/rulemaking-proposal-continuance-wac-173-186-7

Rulemaking Proposal (WAC 173-182) 08/07/19

This is a rulemaking proposal (CR-102) for WAC 173-182 Oil Spill Contingency Plan.

https://ecology.wa.gov/rulemaking-proposal-wac-173-182-08-07-19

Rulemaking Announcement (WAC 173-180; WAC 173-184) 08/03/21

This is a rulemaking announcement (CR-101) for WAC 173-180 Facility Oil Handling Standards; WAC 173-184 Vessel Oil Transfer Advance Notice and Containment Requirements.

https://ecology.wa.gov/rulemaking-announcement-wac-173-180;-wac-173-184

Rulemaking Proposal (WAC 173-180; WAC 173-184) 01/03/23

This is a rulemaking proposal (CR-102) for WAC 173-180 Facility Oil Handling Standards; WAC 173-184 Vessel Oil Transfer Advance Notice and Containment Requirements.

https://ecology.wa.gov/rulemaking-proposal-wac-173-180;-wac-173-184-01-03

Rulemaking Proposal Language (WAC 173-182) 08/07/19

This is proposed rule language for WAC 173-182 Oil Spill Contingency Plan 07/26/19.

https://ecology.wa.gov/rulemaking-proposal-language-wac-173-182-08-07-1

Rulemaking proposed language (WAC 173-180) 01/03/23

This is proposed rule language for WAC 173-180 Facility Oil Handling Standards; WAC 173-184 Vessel Oil Transfer Advance Notice and Containment Requirements.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-180-01-03-23

Rulemaking proposed language (WAC 173-184) 01/03/23

This is proposed rule language for WAC 173-180 Facility Oil Handling Standards; WAC 173-184 Vessel Oil Transfer Advance Notice and Containment Requirements.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-184-01-03-23

Rulemaking Proposal (WAC 173-185) 9-2-20

This is a rulemaking proposal (CR-102) for WAC 173-185 Oil Movement by Rail and Pipeline Notification

https://ecology.wa.gov/rulemaking-proposal-wac-173-185-9-2-20

Rulemaking Adoption Notice (WAC 173-187) 6/14/24

This is a rulemaking adoption (CR-103) for WAC 173-187 Financial Responsibility

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-187-6-14-24