Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

See more about this collection...

RS Manager Data Center air permit approval order 14AQ-E582

This is the 2014 air quality permit approval order for RS Manager Data Center in Moses Lake.

https://ecology.wa.gov/20141029rsmanager14aqe582

Microsoft Columbia Data Center - Notice of Construction permit

Notice of Construction permit for Microsoft Columbia Data Center, 8/19/14

https://ecology.wa.gov/microsoft-columbia-noc

Microsoft Columbia Data Center - Technical Support Document for Notice of Construction permit

Technical Support Document for Notice of Construction permit for Microsoft Columbia Data Center, 8/19/14

https://ecology.wa.gov/microsoft-columbia-tsd

Sabey Intergate Data Center - Updated Health Impact Assessment

Updated Health Impact Assessment (Second Tier Review) Recommendation for Sabey Intergate Data Center, 3/3/15

https://ecology.wa.gov/updaterpt2ndtier

Sabey Intergate Data Center - Notice of Construction permit

Notice of Construction Permit for Sabey Intergate Data Center, 8/26/11

https://ecology.wa.gov/sabeyquincy-order-11aq-e424

Vantage Data Center - Notice of Construction permit and technical support document

Notice of Construction permit and Technical Support Document for Vantage Data Center, 3/18/13

https://ecology.wa.gov/vantagefinalpermit

Vantage Data Center - Health Impact Assessment Recommendation

Health Impact Assessment (Second Tier Review) Recommendation, 11/30/12

https://ecology.wa.gov/b-updated-vantage-tier2-recommendation-11302012

Vantage Notice of Construction Revised Tier 2

This is the Vantage Data Center's revised final 2012 Notice of Construction support document for Tier 2 review.

https://ecology.wa.gov/20121128nocrevtier2

Vantage Data Center - Technical Support Document for Health Impact Assessment

Risk Analysis Technical Support Document for Health Impact Assessment (Second Tier Review) for Vantage Data Center, 11/28/12

https://ecology.wa.gov/a-revised-final-tier2-risk-analysis-vantage-112820

Vantage 2012 Notice of Construction Appendices

This document contains all the appendices for Vantage Data Center's notice of construction application from 2012.

https://ecology.wa.gov/20121018nocappendices

Microsoft Oxford Data Center - Notice of Construction application

Notice of Construction Application for Microsoft Oxford Data Center, 2/15/15

https://ecology.wa.gov/20150215oxfordnocapp

Microsoft Oxford Data Center - Notice of Construction permit

Notice of Construction Permit for Microsoft Oxford Data Center, 8/15/14

https://ecology.wa.gov/microsoftoxford-noc

Microsoft Oxford Data Center - Technical Support Document for Notice of Construction permit

Notice of Construction Technical Support Document for Microsoft Oxford Data Center, 8/15/14

https://ecology.wa.gov/microsoftoxford-tsd-final

Microsoft Oxford Data Center - Response to Comments

Response to Comments for Microsoft Oxford Data Center, 8/15/14

https://ecology.wa.gov/oxfordresponsivenesssumm-part1

Microsoft Oxford Data Center - Response to Comments Appendices

Appendices to Response to Comments for Microsoft Oxford Data Center, 8/15/14

https://ecology.wa.gov/oxfordresponsivenesssumm-part2

Microsoft Oxford Data Center - Health Impact Assessment Recommendation

Health Impact Assessment (Second Tier Review) Recommendation for Microsoft Oxford Data Center, 8/12/14

https://ecology.wa.gov/microsoftoxfordhiarecommendationupdated

Microsoft Oxford Data Center - Health Impact Assessment letter

Health Impact Assessment (Second Tier Review) Letter for Microsoft Oxford Data Center, 6/13/14

https://ecology.wa.gov/microsoftoxfordtier2letter-06132014

Microsoft Oxford Data Center - Notice of Construction application

Notice of Construction Application for Microsoft Oxford, 6/11/14

https://ecology.wa.gov/final-project-oxford-noc-rpt-06-11-14

Microsoft Oxford Data Center - Health Impact Assessment

Health Impact Assessment (Second Tier Review) for Microsoft Oxford, 6/11/14

https://ecology.wa.gov/final-project-oxford-risk-analysis-rpt-06-11-14

Microsoft Oxford Data Center Map

Map of proposed project location of Microsoft Oxford Data Center, 1/14

https://ecology.wa.gov/microsoftoxforddatacenter