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 Preliminary Determination

This is the draft preliminary determination for H5 Data Center

https://ecology.wa.gov/20211110h5draftpreldet

H5 Data Center Health Impact Assessment Report

This is the Health Impact Assessment Report for H5 Data Center

https://ecology.wa.gov/20211110h5healthimpactassessment

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