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Laws, rules, & rulemaking

We have authority delegated through federal and state law to implement and enforce various environmental laws and rules. We accomplish this through our open and public rulemaking process, and by ensuring compliance with those laws and rules.

Rulemaking at Ecology

Rulemaking at Ecology can be found under the following topical areas. We a­re committed to transparency and public involvement throughout the rulemaking process.

Rules listed below indicate Ecology's intentions for rulemaking. We invite you to participate in our rulemaking processes. You will see rules in various stages of the rulemaking process. See our Frequently Asked Questions for more information relating to the rulemaking process.
  • Rulemaking that has been officially filed with the Washington State Legislature's Code Revisers Office (filed a CR-101 form), and are sorted by topical areas.
  • Recently closed rulemaking. (Closed rulemaking web pages are kept here for two years after the date of adoption).
  • Ecology programs that are undergoing an exploratory process for rulemaking.
Find a state law

​The Office of the Code Reviser publishes and maintains the list of Washington's laws — the Revised Code of Washington (RCW). To see a complete list of laws, please visit their website.

  • If you want to search all laws (RCWs) and rules, known formally as the Washington Administrative Code (WAC), you can use the search tool on their site.

See our rules Rulemaking Closed rulemaking