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.

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Sabey Data Center Approval Order 20AQ-E22

This is the 2020 approval order for Sabey Data Center in Quincy.

https://ecology.wa.gov/20200916sabeydatacenterao20aqe22

Sabey Data Center 2020 Tier 2 letter & HIA Recommendation

This is the 2020 Tier 2 letter and Health Impact Assessment Recommendation for Sabey Data Center, Quincy

https://ecology.wa.gov/20200529sabeytier2hiarecomm

H5 Data Centers notice of construction (NOC) application and supporting information

This is the air quality notice of construction application and supporting information for H5 Data Centers in Grant County, near Quincy.

https://ecology.wa.gov/20211110h5revnocapp