10,588 rulemaking notices, proposed, emergency, and final filings as they cross the Washington State Register.
Emergency Rules — Department of Fish and Wildlife (WSR 26-09-056)
Apr 10, 2026
Effective Date of Rule: Immediately upon filing. Purpose: This emergency rule is necessary to address the imminent risk of introduction and spread of golden mussels ( Limnoperna fortunei ), a highly invasive aquatic species. Citation of Rules Affected by this Order: Amending WAC 220-640-030. Statutory Authority for Adoption: RCW 77.04.012 , 77.04.020 , 77.12.045 , and 77.12.047 . Under RCW 34.05.350 the agency for good cause finds that immediate adoption, amendment, or repeal of a rule is necess
Emergency Rules — Department of Fish and Wildlife (WSR 26-09-050)
Apr 9, 2026
Effective Date of Rule: April 17, 2026. Purpose: The purpose of this emergency rule is to open razor clam harvest in Areas 1, 3, 4, and 5. Citation of Rules Affected by this Order: Repealing WAC 220-330-16000X; and amending WAC 220-330-160. Statutory Authority for Adoption: RCW 77.04.012 , 77.04.020 , 77.12.045 , and 77.12.047 . Under RCW 34.05.350 the agency for good cause finds that immediate adoption, amendment, or repeal of a rule is necessary for the preservation of the public health, safet
Emergency Rules — Department of Fish and Wildlife (WSR 26-09-048)
Apr 9, 2026
Effective Date of Rule: April 11, 2026. Purpose: Extends the Lower Columbia River spring Chinook season. Citation of Rules Affected by this Order: Repealing WAC 220-312-03000J and 220-312-06000X; and amending WAC 220-312-030 and 220-312-060. Statutory Authority for Adoption: RCW 77.04.012 , 77.04.020 , 77.12.045 , and 77.12.047 . Under RCW 34.05.350 the agency for good cause finds that immediate adoption, amendment, or repeal of a rule is necessary for the preservation of the public health, safe