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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Inslee statement on Clean Air Rule decision

Statement by Gov. Jay Inslee on 1-16-20 related to the Supreme Court ruling on the Clean Air Rule.

https://ecology.wa.gov/inslee-statement-on-clean-air-rule-decision

Focus on: Climate change and health equity

A joint Ecology and Health focus sheet exploring the health and community impacts of climate change.

https://ecology.wa.gov/201210-climate-justice-focus-sheet

Darigold Pasco Notice of Construction Application and associated documents

This is the air quality notice of construction application and associated documents for Darigold in Pasco.

https://ecology.wa.gov/20240403darigoldpasconocapp

Dawn Mining notice of construction (NOC) application

This is the air quality notice of construction application for Dawn Mining in Ford.

https://ecology.wa.gov/20230223dawnminingnocapp

SGL Composites Moses Lake Notice of Construction Application

This is the air quality notice of construction application and associated documents for SGL Composites in Moses Lake.

https://ecology.wa.gov/20240115sglnocapp

Chelan Douglas Regional Port Authority notice of construction (NOC) application

This is the air quality notice of construction application for Chelan Douglas Regional Port Authority in Wenatchee.

https://ecology.wa.gov/20240408chelandouglasrpanocapp

ECY to Pend Oreille County regarding SEPA lead request

ECY response to Pend Oreille County Commissioners' letter requesting Ecology take the lead agency role in Environmental review of PacWest Silicon’s proposal

https://ecology.wa.gov/ecy-to-po-commissoners_lead-ag_july2018