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

We a­re committed to transparency and public involvement throughout the rulemaking process.

Use the tabs below to see the different types of laws, rules, and rulemaking.

See our Frequently Asked Questions for more information relating to the rulemaking process at Ecology.
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