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.

See more about this collection...

VW federal Electric School Bus Grant Awards

A breakdown of VW federal grant awards for electric school buses by county and school district.

https://ecology.wa.gov/asset-collections-doc-assets-air-quality-vw-20200427-vwfed-elecschoolbusawards-alt

VW federal settlement electric transit bus awards

Text version of Washington map showing where electric transit bus grant awards were dispersed

https://ecology.wa.gov/06122019vwfedelectransitbus

2024-25 Budget for Air Quality Registration

This is the 2024-2025 budget for air quality registration.

https://ecology.wa.gov/2024-25registrationbudget

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) 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

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

Washington Mandatory Greenhouse Gas Reporting Program - Reported Emissions for 2012-2015

Certain large facilities are required to submit their greenhouse gas emissions to Ecology. This is the report of those emissions from 2012-2015.

https://ecology.wa.gov/wa-ghg-reporting-data-2012-2015

May 5, 2022 list of HFC manufacturers

This is the May 5, 2022 list of manufacturers that reported the status of their use of restricted hydrofluorocarbons (HFCs).

https://ecology.wa.gov/2022hfcmanufacturers

Transportation Fuel Supplier Greenhouse Gas Emission Calculator

This tool helps transportation fuel suppliers calculate their greenhouse gas emissions.

https://ecology.wa.gov/transportationfuelsuppliertool

2001 - 2017 GHG and GDP percentage changes

graph showing population, economy, greenhouse gas emissions from 2001 - 2017

https://ecology.wa.gov/20191118ghggdp-alt

HFC User Guide, long version

This is the longer instructions about how to submit your completed HFC notification form using our online reporting system.

https://ecology.wa.gov/hfc-user-guide-long-20190901

HFC User Guide, short version

This is the short (one-page) instructions about how to submit your completed HFC notification form using our online reporting system.

https://ecology.wa.gov/hfc-user-guide-short-20190901