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...

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

Transportation Fuel Supplier Greenhouse Gas Emission Calculator

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

https://ecology.wa.gov/transportationfuelsuppliertool

Washington Total Annual Emissions

bar chart shoring Washington greenhouse gases the past decade

https://ecology.wa.gov/2011-2018_ghg-barchart-alt

Washington State Agencies Required to Report their Greenhouse Gas Emissions to Ecology

Some Washington state agencies are required to report their greenhouse gas emissions to Ecology. This is a list of those that are required.

https://ecology.wa.gov/stateagenciesrequiredtoreportghg

Washington State Agency Greenhouse Gas Reporting and Calculator Instructions

Instructions to help state agencies fill out the greenhouse gas calculator.

https://ecology.wa.gov/stateagencyghgcalculatorinstructions

Air Quality Application Portal Training Guide

Instructions about how to access the Air Quality Portal within Secure Access Washington. You must access this portal for reporting. Version 1.1

https://ecology.wa.gov/aqportaluserguide

Clean Air Rule Tracking System User Training Guide

Instructions for entering information into the Clean Air Rule Tracking system

https://ecology.wa.gov/cartsuserguide

Approved verifiers and verification bodies for greenhouse gas reporting

A list of approved third party verifiers and verification bodies in Washington's Greenhouse Gas Reporting Program.

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

Clean Air Rule: Potentially Eligible Parties

Organizations that emit 70,000 metric tons of carbon pollution or more are regulated by the Clean Air Rule. This is a list of organizations that potentially meet this criteria.

https://ecology.wa.gov/potentialbussinessescoveredbycar