Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

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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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Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

Regulations & Permits icon

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...
Biosolids laws, rules, and support documents
See Washington's biosolids laws, the administrative rules we operate under, and support documents.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/biosolids-laws-rules-and-support-documents
Rulemaking at Ecology
Find out about our rulemaking activities.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking
Noise pollution
Learn more about how to manage noise pollution.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/noise-pollution
Noise pollution — Frequently asked questions for residents
Do you have questions about noise pollution? Find some common questions and answers.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/noise-pollution/noise-pollution-faq-for-residents
Noise pollution — Frequently asked questions for local governments
Do you have questions about noise pollution? Find some common questions and answers for governments.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/noise-pollution/noise-pollution-faq-for-local-government
Frequently Asked Questions (FAQs) for Chapter 173-303
Frequently asked questions about Chapter 173-303 WAC, Dangerous Waste Regulations.
https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac173-303-faq
Email list: MTCA Cleanup Rule and Sediment Management Standards
Stay informed about contamination cleanup rulemakings.
https://ecology.wa.gov/email-list-mtca-cleanup-rule-and-sediment-management-standards
Hydrofluorocarbon rulemaking email notification list
Join our Hydrofluorocarbon (HFC) rulemaking email list
https://ecology.wa.gov/hydrofluorocarbon-rulemaking-email-notification-list
Rule Advisory Meeting Presentation
PowerPoint slides from the Rule Advisory Meeting Presentation.
https://ecology.wa.gov/rule-advisory-meeting-presentation
Pasco Basin Groundwater Subarea
Rulemaking Announcement (WAC 173-135)
https://ecology.wa.gov/wac-173-135_-21-01
Rule Agenda for July - December 2023
2023 Department of Ecology Rules Agenda
https://ecology.wa.gov/effie-bolinger
Cleanup Rule comments received from the public, Ecology staff, and AGO (2009-2018)
This July 2019 document compiles the Cleanup Rule comments received from the public, Ecology staff and Office of the Attorney General from 2009 through 2018.
https://ecology.wa.gov/cleanup-rule-comments-received-2009-2018-july-201
Cleanup Rule (WAC 173-340) exploratory rulemaking: 2018 comments
This document contains comments received from the public during the Exploratory Rulemaking process, from February 15 through May 11, 2018. These include comments provided through the online eComment system, by mail, by email, and on comment cards at the April 3rd listening session.
https://ecology.wa.gov/cleanuprulemakingexprulemakingcommentsthru051118
NDZ supplemental letter requested by EPA
This is the letter requested of Ecology regarding the NDZ petition.
https://ecology.wa.gov/epalettervesselpumpoutavailabilityoct2016-pdf
Rule Agenda for July - December 2017
Rule Agenda for July - December 2017
https://ecology.wa.gov/rule-agenda-for-july-december-2017
Final Rule language
This is the final rule language for the No Discharge Zone rule
https://ecology.wa.gov/final-rule-language
Narrative Description of Figure 1. Pie Chart
The narrative description of Figure 1. pie chart on the Exploratory Rulemaking webpage.
https://ecology.wa.gov/narrative-description-of-figure-1-pie-chart
Cleanup Rule Notice No. 2: Invitation to statewide scoping webinar, Tuesday, April 3, 2018
You're invited to join our statewide listening session in-person or online on April 3, 2018, from 1pm to 3:30pm. Webinar starts at 1:30pm.
https://ecology.wa.gov/notice02cleanupruleinvitemar2018
Washington Climate Commitment Act: Summary of market modeling and analysis of the proposed Cap and Invest Program, June 2022
This is 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/202206ccaeconmodel
Notification documentation boilerplate
Boilerplate for notification documentation
https://ecology.wa.gov/notification-documentation-boilerplate
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