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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H5 Data Center notice of construction (NOC) permit

This is the 2022 air quality notice of construction permit (approval order) for H5 Data Center.

https://ecology.wa.gov/20220309h5nocpermit

Sabey Intergate 2022 Notice of Construction Application

This is the 2022 Notice of Construction Application for Sabey Intergate Data Center in Quincy.

https://ecology.wa.gov/20211214sabeyquincybuildingenocapp

H5 Data Center Notice of Construction Application

This is the notice of construction application for H5 Data Center

https://ecology.wa.gov/20211110h5nocapp

H5 Data Center Notice of Construction Application DOE

This is the notice of construction application for H5 Data Center from Ecology

https://ecology.wa.gov/20211110h5nocappdoe

H5 Data Center Health Impact Assessment Recommendation

This is the Health Impact Assessment Recommendation for H5 Data Center

https://ecology.wa.gov/20211110h5tier2hiarec

H5 Data Center Tier 2 Letter

This is the Tier 2 letter for H5 Data Center

https://ecology.wa.gov/20211110h5tier2ltr

H5 Data Center Technical Support Document

This is the Technical Support Document for H5 Data Center

https://ecology.wa.gov/2021h5tsd