Research & Data

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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Advance Notice of Oil Transfer login

Use this tool to submit advance notice of transfer (ANT) by web-based form to satisfy both Ecology and United States Coast Guard (USCG) reporting requirements for the advance notice of oil transfer.

Oil spill drills calendar

Schedule a drill on the Northwest Area Committee Exercise Schedule calendar.

Spills Program publications

Documents on oil transportation and oil or hazardous materials spill prevention, preparedness, or response.

Spill incidents in Washington

Interactive map and downloadable data for spill incidents.

Oil trains in Washington

Interactive map and downloadable data for spill incidents.

Geographic response plans

Interactive map and downloadable data for location-specific oil spill response plans.

Resource restoration sites

Interactive map and downloadable data for resource restoration funded by penalties from spills.

Spill response equipment locations

Interactive map and downloadable data for locations of spill response equipment around the state.

Emergency Response Towing Vessel call outs

Interactive map and downloadable data for assistance provided by the tug stationed at Neah Bay.

Oil facilities in Washington

Interactive map and downloadable data for oil facilities statewide.

Pipeline locations in Washington

Interactive map of pipeline locations statewide

Oil transfers over water

Interactive map and downloadable data for regulated oil transfers in Washington.

Crude oil movement quarterly reports

Aggregated information on crude oil transported in Washington

Microsoft Columbia Data Center - Notice of Construction supporting information report

Supporting information for Notice of Construction permit for Microsoft Columbia Data Center, 5/29/14

Washington State Oil and Hazardous Materials Cleanup Contractors

List of contractors and facilities providing oil and hazmat cleanup in Washington.

Oil spill prevention recommendations

Specific recommendations made to parties involved in oil spills

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.

Out-of-state oil spill drill credit guidance

This guidance document can help you achieve the maximum amount of drill credit.

Oil spill drill self-certification guidance

This document assists contingency plan holders with consistent and accurate self-certification of drills when Ecology staff are not able to attend the drill.

Oil spill drill checklist

This checklist outlines the components of an oil spill drill that we evaluate.