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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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

Chapter 173-182 WAC Plan Review Checklist

Plan Review Checklist for 173-182 WAC

https://ecology.wa.gov/173-182planreviewchecklist

3 Year Worst Case Drill Outlook

A list, by year, of the plan holders that are expected to hold a worst-case drill.

https://ecology.wa.gov/3-year-worst-case-drill-outlook

State Implementation Plan Process

This is the text version of the steps to develop and finalize a state implementation plan.

https://ecology.wa.gov/171026stateimplementationplanprocess-alt-docx

VW state settlement allocations

A pie chart showing how the VW state settlement funds are being used.

https://ecology.wa.gov/20200408-vwallocationscircle-alt

VW Federal Funds For Ferry

Alternate text for the graphic showing VW federal funds are going towards retrofitting a diesel ferry to electric hybrid

https://ecology.wa.gov/20191022-vwfederalfundsforferry-alt

Summarization notes Category 4B (Other Pollution Control Program) for PCB impaired waters

Follow up from March 30, 2017 Meeting discussing implementation of Human Health Criteria in the Water Quality Assessment Policy 1-11

https://ecology.wa.gov/4bpcbfinal

VW state school bus grant awards

VW state school bus grant awards - text version

https://ecology.wa.gov/20181218schoolbusawardedgrants-alt

Washington's greenhouse gas emissions targets

A chart showing greenhouse gas emission reduction targets compared to a 1990 baseline.

https://ecology.wa.gov/20190729emissions-alt

Exceptional Event Demonstration for the August 14, 2015 PM10 Exceedence in Kennewick

report demonstrating that high winds on August 14, 2015 overwhelmed agriculture erosion controls and contributed to elevated levels of particle pollution in Kennewick.

https://ecology.wa.gov/20150814-exceptional-event-demonstration

2020 regional haze overview presentation

An overview of the regional haze air quality process.

https://ecology.wa.gov/20201203-regional-haze-overview-presentation

2019 Brownfield Redevelopment Trust Fund Account

Ecology's 2019 report to the legislature on redevelopment activities funded by the Brownfield Redevelopment Trust Fund (BRTF) Account.

https://ecology.wa.gov/2019-brownfield-redevelopment-trust-fund-account-legislative-report

Draft Washington State Implementation Plan (SIP) Revision: Redesignation to Attainment and First 10-Year Maintenance Plan for the Intalco-Ferndale Sulfur Dioxide Nonattainment Area

This is the draft Washington State Implementation Plan (SIP) Revision: Redesignation to Attainment and First 10-Year Maintenance Plan for the Intalco-Ferndale Sulfur Dioxide Nonattainment Area.

https://ecology.wa.gov/202403intalcoso2maintsip