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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2019 Transportation Fuel Supplier Calculator

2019 Calculator to determine greenhouse gas emissions from transportation fuel suppliers

https://ecology.wa.gov/2019-transportation-fuel-supplier-tool

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

VW settlement funds distribution

An image showing how the VW settlement funds will be distributed

https://ecology.wa.gov/20190205vwsettlementfundsdistribution-alt

Summary of changes

Summary of changes being made to the 2019 general permit

https://ecology.wa.gov/ffp-permit-modification-summary-of-changes

Second SEIS Kalama SEPA notice

The SEPA notice that Ecology will conduct a second Supplemental Environmental Impact Statement.

https://ecology.wa.gov/2019-nov22-2ndseiskalama-sepa-notice

2019 Draft Labeling Options (WAC 173-443) 12/17/19

This is a 12/17/19 draft document about options for labeling products and equipment in Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/2019-draft-labeling-options-wac-173-443-12-17-19

2019 WMMFA Annual Report

This annual report indicates the total covered electronic products (CEPs) collected in 2018 and the year to date total of CEPs collected. This report also breaks down the pounds collected by county and product type.

https://ecology.wa.gov/2019-wmmfa-annual-report

Notification letter Second SEIS

A letter notifying the applicants of Ecology's decision to conduct a second Supplemental Impact Statement for the proposed Kalama methanol facility.

https://ecology.wa.gov/2019-nov22-2ndseiskalamaletter

CyrusOne Data Center Tier 2 letter

This is the tier 2 letter for CyrusOne Data Center.

https://ecology.wa.gov/20190425cyrusonetier2ltr

CyrusOne Data Center Health Impact Assessment Recommendation

This is the health impact assessment recommendation for CyrusOne Data Center.

https://ecology.wa.gov/20190425cyrusonetier2hiarec

Vantage Data Center approval order 19AQ-E026

This is the approval order, technical support document, and response to comments for Vantage Data Center in 2019.

https://ecology.wa.gov/20190710vantagedatacenter19aqe026

Cowlitz County's Nov. 4, 2019 response to Ecology's questions

Information provided to Ecology in response to the agency's questions on a Supplemental Environmental Impact Statement for the proposed Northwest Innovation Works Kalama methanol plant.

https://ecology.wa.gov/2019-october-cowlitzcountyresponsetoecyquestions

CyrusOne Data Center Notice of Construction Application

This is the notice of construction application for CyrusOne Data Center.

https://ecology.wa.gov/20190219cyrusonenocappwithadd

Fact Sheet Addendum

Fact sheet addendum to the 2019 modified general permit

https://ecology.wa.gov/ffpmodifiedfsaddendum-draft

2019 Final Table of Toxic Air Pollutants (WAC 173-460) 12/23/19

This is the 12/23/19 adopted table of toxic air pollutants listed in Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/tapstable122319

Modified Permit draft

2019 modified general permit - draft version open for comment

https://ecology.wa.gov/ffpmodifiedpermit

2019 Proposed Table of Toxic Air Pollutants (WAC 173-460) 06/03/19

This is the 6/3/19 proposed table of toxic air pollutants listed in Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/2019-proposed-table-of-toxic-air-pollutants-wac-1

Microsoft MWH FAQ Sheet

This is the general information and FAQ sheet for Microsoft MWH's 2018 permit revision.

https://ecology.wa.gov/20190601mwhfaqsheet

Microsoft MWH Technical Support Document for 19AQ-E031

This is the technical support document for Microsoft MWH's Data Center 2018 permit revision.

https://ecology.wa.gov/20190524mwhtsd19aqe031

Microsoft MWH NOC Application Approval Order amendment

This is the notice of construction approval order amendment request for Microsoft MWH.

https://ecology.wa.gov/20190508mwhnocapp