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...
Preliminary Draft Rule Text (PDF)
Read the text of the rule with proposed changes highlighted.
https://ecology.wa.gov/preliminary-draft-rule-text
Pre-proposal Statement of Inquiry (CR-101) (PDF)
Original CR-101 filing from February 2016. This document gives background on the rulemaking process and explains the intent of the rulemaking. This form was withdrawn and the nresubmitted in February 2017.
https://ecology.wa.gov/pre-proposal-statement-of-inquiry-cr-101
Pre-proposal Statement of Inquiry (CR-101) (PDF)
February 2017 filing of the CR-101. This document gives background on the rulemaking process and explains the intent of the rulemaking.
https://ecology.wa.gov/pre-proposal-statement-of-inquiry-cr-101-1
SPWA Cycle 1 Rulemaking Timeline
A timeline of the SPWA Cycle 1 process.
https://ecology.wa.gov/spwa-cycle-1-rulemaking-timeline
SPWA Phases Graphic
Timeline of the SPWA phases
https://ecology.wa.gov/spwa-phases-timeline-graphic
Withdrawal of Original CR-101 (PDF)
Scanned letter withdrawing original February 2016 CR-101 filing.
https://ecology.wa.gov/withdrawl-of-original-cr-101
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
DWRulemakingInformationalWebinar
Informational webinar for the draft dangerous waste rule changes
https://ecology.wa.gov/dangerous-waste-rulemaking-webinar-12-02-19
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
Notification documentation boilerplate
Boilerplate for notification documentation
https://ecology.wa.gov/notification-documentation-boilerplate
Plan Holder Implementation Guidance
Rule implementation doc_Plan Holder Implementation Guidance
https://ecology.wa.gov/rule-implementation
TDG short term modification administrative order
Signed short term modification administrative order for total dissolved gas criteria
https://ecology.wa.gov/tdg-short-term-modification-administrative-order
Adopted rule language (WAC 173-910) 08/23/16
Thsi is adopted rule language for WAC 173-910 Mercury-Containing Lights Product Stewardship Program.
https://ecology.wa.gov/adopted-rule-language-wac-173-910-08-23-16
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