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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Prior years point source emissions data

This spreadsheet shows emissions from facilities and other point sources from 2009 forward.

https://ecology.wa.gov/prior-years-point-source-emissions

Air Quality Source Management System (SMS) User Guide

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

https://ecology.wa.gov/aqsmsuserguide

Vancouver Maintenance Plan for Ozone

State Implementation Plan Revision for Ozone Maintenance Plan for Vancouver

https://ecology.wa.gov/vancouvero3

2018 School Bus Replacement Preliminary Application

A preliminary application to apply for the VW state settlement grant for clean school bus replacement.

https://ecology.wa.gov/2018schoolbusreplacementprelimapplication

2018 Transit Bus Replacement Interest Form 2018

A preliminary application to apply for the VW state settlement grant for transit bus replacement.

https://ecology.wa.gov/2018transitbusreplacementinterestform2018

Auto Body Surface Coating of Metal, Plastic, and Wood

This is guidance for auto body shops who do surface coating.

https://ecology.wa.gov/20200713autobodysurfacecoatingguide

VW Final Executed Trust Agreements, October 2017

United States' notice of final trust agreement for VW federal settlement.

https://ecology.wa.gov/vwfinalexecutedtrust-agreements

2017 VW affected vehicles registered in Washington.

The text version for the map showing where, by percentage, the affected cars are registered in Washington.

https://ecology.wa.gov/2017affectedvwcars-alt

Masonry heaters that meet Washington standards, October 10, 2016

This is the October 10, 2016 list of masonry heaters that meet Washington standards.

https://ecology.wa.gov/20161010masonryheaters

Areas affected by nitrogen oxides emissions in Washington

Map of nitrogen oxides emissions from diesel Volkswagen (VW) vehicles in Washington

https://ecology.wa.gov/2017vwdieselnox

2017 VW Diesel NOx By Census

An Excel file that shows 2017 Diesel NOx pollution by census tract.

https://ecology.wa.gov/2017vwdieselnoxbycensus

Fireplaces Certified in Washington

List of fireplaces that meet Washington standards

https://ecology.wa.gov/wood-fireplaces

Volkswagen (VW) Nitrogen Oxides Emissions in Washington-alt

The text version of the map where the nitrogen oxides emissions can be found in Washington.

https://ecology.wa.gov/2017vwnitrogenoxideemissions-alt

Versatile Industries General Order application

This is the air quality general order application for Versatile Industries' rock crusher.

https://ecology.wa.gov/versatileindgoapp

2017 affected Volkswagen (VW) registered vehicles in Washington

Top Washington counties with registered 2.0 and 3.0 liter diesel Volkswagen (VW) vehicles

https://ecology.wa.gov/2017vwregisteredcars

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

Columbia County Agricultural Burn Zone Map

Map for agricultural burn zones in Columbia County

https://ecology.wa.gov/columbia-ag-burn-zone-map

Pacific Northwest Volkswagen (VW) Zero-Emissions Vehicle (ZEV) Investment Proposal

Investment proposal for Pacific Northwest Volkswagen (VW) Zero-Emissions Vehicle (ZEV)

https://ecology.wa.gov/20161223pnwzevinvestmentproposal

Granite Construction General Order Application

This is the general order application for Granite Construction's portable rock crusher #3.

https://ecology.wa.gov/20190308graniteconstructiongoapp

CPM Development General Order Application

This is the general order application by CPM Development to operate a portable concrete batch plant.

https://ecology.wa.gov/20180531cpmdevconcretegoapp