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.

See more about this collection...

Creating a SAW account for Washington Emissions Inventory Reporting System (WEIRS)

Instructions for creating a SAW account for Washington Emissions Inventory Reporting System (WEIRS)

https://ecology.wa.gov/20190723creatingsawweirsaccount

VW Federal Funds For Ferry

Alternate text for the graphic showing VW federal funds are going towards retrofitting a diesel ferry to electric hybrid

https://ecology.wa.gov/20191022-vwfederalfundsforferry-alt

VW Settlement - Q & A EV charging infrastructure at workplaces grants

Electric Vehicle Charging Infrastructure at State and Local Government-Owned Facilities

https://ecology.wa.gov/20191003-workplace-charging-grants

VW federal settlement electric transit bus awards

Text version of Washington map showing where electric transit bus grant awards were dispersed

https://ecology.wa.gov/06122019vwfedelectransitbus

VW settlement funds distribution

An image showing how the VW settlement funds will be distributed

https://ecology.wa.gov/20190205vwsettlementfundsdistribution-alt

CyrusOne Data Center Approval Order 19AQ-E052

This is the air quality approval order No. 19AQ-E052 for the CyrusOne Data Center in Quincy.

https://ecology.wa.gov/20191023cyrusoneao19aqe052

Oath Approval Order No. 19AQ-E048

This is the 2019 air quality approval order for Oath Holdings in Quincy.

https://ecology.wa.gov/20190730oath19aq-e048

CyrusOne Data Center Tier 2 letter

This is the tier 2 letter for CyrusOne Data Center.

https://ecology.wa.gov/20190425cyrusonetier2ltr

CyrusOne Data Center Health Impact Assessment Recommendation

This is the health impact assessment recommendation for CyrusOne Data Center.

https://ecology.wa.gov/20190425cyrusonetier2hiarec

Vantage Data Center approval order 19AQ-E026

This is the approval order, technical support document, and response to comments for Vantage Data Center in 2019.

https://ecology.wa.gov/20190710vantagedatacenter19aqe026

Microsoft Columbia 2019 NOC Application

This is the 2019 air quality notice of construction application for Microsoft Columbia in Quincy

https://ecology.wa.gov/20191206microsoftcolumbianocapp

CyrusOne Data Center Notice of Construction Application

This is the notice of construction application for CyrusOne Data Center.

https://ecology.wa.gov/20190219cyrusonenocappwithadd

Microsoft Columbia C06, Quincy, NOC Application

This is the notice of construction application for Microsoft Columbia's C06 expansion

https://ecology.wa.gov/20191206mscolumbianocappc06

Microsoft MWH Data Center Approval Order & TSD 19AQ-E031

This is the 2019 approval order and technical support document for Microsoft MWH Data Center.

https://ecology.wa.gov/20190926microsoftmwhaotsd19aqe031

Microsoft MWH FAQ Sheet

This is the general information and FAQ sheet for Microsoft MWH's 2018 permit revision.

https://ecology.wa.gov/20190601mwhfaqsheet

Microsoft MWH Technical Support Document for 19AQ-E031

This is the technical support document for Microsoft MWH's Data Center 2018 permit revision.

https://ecology.wa.gov/20190524mwhtsd19aqe031

Microsoft MWH NOC Application Approval Order amendment

This is the notice of construction approval order amendment request for Microsoft MWH.

https://ecology.wa.gov/20190508mwhnocapp