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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How to Create a SAW Account for Source Management System (SMS)

These are instructions for how to create a SAW account, register for Air Quality Portal, and add Source Management System (SMS).

https://ecology.wa.gov/202007createsawsms

Source Management System (SMS) User Guide

These are instructions for using the Source Management System (SMS).

https://ecology.wa.gov/202007smsuserguide

Creating a SAW account for Washington Emissions Inventory Reporting System (WEIRS)

Instructions for creating a SAW account for Washington Emissions Inventory Reporting System (WEIRS)

https://ecology.wa.gov/20190723creatingsawweirsaccount

Washington Emissions Inventory Reporting System (WEIRS) Emissions Inventory Codes

Emissions Inventory Codes for Washington Emissions Inventory Reporting System (WEIRS), 12/20/19

https://ecology.wa.gov/20191220emissionsinventorycodes

Washington Emissions Inventory Reporting System (WEIRS) Add New Emissions form

form to add new emissions in Washington Emissions Inventory Reporting System (WEIRS)

https://ecology.wa.gov/addnewemissions

Washington Emissions Inventory Reporting System (WEIRS) Add New Process form

form to add new process in Washington Emissions Inventory Reporting System (WEIRS)

https://ecology.wa.gov/addnewprocess

Washington Emissions Inventory Reporting System (WEIRS) Add New Release Point form

Form to add new release point in Washington Emissions Inventory Reporting System (WEIRS)

https://ecology.wa.gov/addnewreleasepoint

Washington Emissions Inventory Reporting System (WEIRS) Add New Unit form

Form to add new unit in Washington Emissions Inventory Reporting System (WEIRS)

https://ecology.wa.gov/addnewunit

Washington Emissions Inventory Reporting System (WEIRS) training, 2/8/23

This is the presentation for the February 8, 2023 training about Washington Emissions Inventory Reporting System (WEIRS).

https://ecology.wa.gov/20230208weirstraining

Air Quality Source Management System (SMS) Instructions

These are instructions about how to create a Secure Access Washington (SAW) Account, register for Air Quality Portal, and add Source Management System.

https://ecology.wa.gov/aqsmsinstructions

Air Quality Source Management System (SMS) User Guide

This is the user guide for the Source Management System (SMS).

https://ecology.wa.gov/aqsmsuserguide

November 9, 2023 presentation about 2023-2025 electric school bus grant

This is the November 9, 2023 presentation about 2023-2025 electric school bus grant.

https://ecology.wa.gov/20231109evschoolbus

Washington Emissions Inventory Reporting System (WEIRS) training, 2/1/24

This is the presentation for the February 1, 2024 training about Washington Emissions Inventory Reporting System (WEIRS).

https://ecology.wa.gov/20240201weirstraining

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

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

DES leased vehicle fuel use by agency

Reporting tool for DES leased vehicle fuel use by agencies

https://ecology.wa.gov/2021-des-leasedvehiclefueluseagency

2022 Greenhouse Gas Reporting Fee Schedule

Reporting fee schedule for greenhouse gases

https://ecology.wa.gov/20221026-ghgreportingfeeschedule

Washington Department of Commerce Clean Fuel Supply Forecast Report, September 23, 2022

This is the fuel supply forecast report written for the Washington Department of Commerce about the Clean Fuel Standard.

https://ecology.wa.gov/20220923cleanfuelforecastrpt

DES Permanent Assigned Vehicle and Daily Trip Vehicle Fuel Use

DES calculator for reporting permanent vehicle and daily trip fuel use.

https://ecology.wa.gov/2021-despermvehicle-dailyvehiclefueluse

Washington Climate Commitment Act: Summary of economic and market modeling and analysis of the proposed cap and invest program

This is the foreword to the draft report of the summary of market modeling and analysis of the proposed cap and invest program of the Climate Commitment Act.

https://ecology.wa.gov/202207ccaeconforewd