WA Leg - SB 6291 Concerning on-site wastewater treatment system inspections. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False 01 - January 22, 2026 - First reading, referred to Local Government. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Thu, 22 Jan 2026 00:00:00 -0800 01-January22,2026-Firstreading,referredtoLocalGovernment. 02 - January 29, 2026 - Public hearing in the Senate Committee on Local Government at 1:30 PM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Thu, 29 Jan 2026 00:00:00 -0800 02-January29,2026-PublichearingintheSenateCommitteeonLocalGovernmentat1:30PM. 03 - February 2, 2026 - Executive action taken in the Senate Committee on Local Government at 1:30 PM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Mon, 02 Feb 2026 00:00:00 -0800 03-February2,2026-ExecutiveactiontakenintheSenateCommitteeonLocalGovernmentat1:30PM. 04 - February 2, 2026 - LGV - Majority; do pass. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Mon, 02 Feb 2026 00:00:00 -0800 04-February2,2026-LGV-Majority;dopass. 05 - February 3, 2026 - Passed to Rules Committee for second reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Tue, 03 Feb 2026 00:00:00 -0800 05-February3,2026-PassedtoRulesCommitteeforsecondreading. 06 - February 6, 2026 - Placed on second reading consent calendar. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Fri, 06 Feb 2026 00:00:00 -0800 06-February6,2026-Placedonsecondreadingconsentcalendar. 07 - February 10, 2026 - Rules suspended. Placed on Third Reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Tue, 10 Feb 2026 00:00:00 -0800 07-February10,2026-Rulessuspended.PlacedonThirdReading. 08 - February 10, 2026 - Third reading, passed; yeas, 48; nays, 0; absent, 0; excused, 1. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Tue, 10 Feb 2026 00:00:00 -0800 08-February10,2026-Thirdreading,passed;yeas,48;nays,0;absent,0;excused,1. 09 - February 12, 2026 - First reading, referred to Environment & Energy. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Thu, 12 Feb 2026 00:00:00 -0800 09-February12,2026-Firstreading,referredtoEnvironment&Energy. 10 - February 18, 2026 - Public hearing in the House Committee on Environment & Energy at 10:30 AM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Wed, 18 Feb 2026 00:00:00 -0800 10-February18,2026-PublichearingintheHouseCommitteeonEnvironment&Energyat10:30AM. 11 - February 24, 2026 - Executive action taken in the House Committee on Environment & Energy at 4:00 PM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Tue, 24 Feb 2026 00:00:00 -0800 11-February24,2026-ExecutiveactiontakenintheHouseCommitteeonEnvironment&Energyat4:00PM. 12 - February 24, 2026 - ENVI - Majority; do pass with amendment(s). https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Tue, 24 Feb 2026 00:00:00 -0800 12-February24,2026-ENVI-Majority;dopasswithamendment(s). 13 - February 25, 2026 - Referred to Rules 2 Review. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Wed, 25 Feb 2026 00:00:00 -0800 13-February25,2026-ReferredtoRules2Review. 14 - March 2, 2026 - Rules Committee relieved of further consideration. Placed on second reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Mon, 02 Mar 2026 00:00:00 -0800 14-March2,2026-RulesCommitteerelievedoffurtherconsideration.Placedonsecondreading. 15 - March 3, 2026 - Committee amendment(s) adopted with no other amendments. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Tue, 03 Mar 2026 00:00:00 -0800 15-March3,2026-Committeeamendment(s)adoptedwithnootheramendments. 16 - March 3, 2026 - Rules suspended. Placed on Third Reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Tue, 03 Mar 2026 00:00:00 -0800 16-March3,2026-Rulessuspended.PlacedonThirdReading. 17 - March 3, 2026 - Third reading, passed; yeas, 93; nays, 0; absent, 0; excused, 5. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Tue, 03 Mar 2026 00:00:00 -0800 17-March3,2026-Thirdreading,passed;yeas,93;nays,0;absent,0;excused,5. 18 - March 10, 2026 - Senate concurred in House amendments. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Tue, 10 Mar 2026 00:00:00 -0700 18-March10,2026-SenateconcurredinHouseamendments. 19 - March 10, 2026 - Passed final passage; yeas, 49; nays, 0; absent, 0; excused, 0. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Tue, 10 Mar 2026 00:00:00 -0700 19-March10,2026-Passedfinalpassage;yeas,49;nays,0;absent,0;excused,0. 20 - March 11, 2026 - President signed. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Wed, 11 Mar 2026 00:00:00 -0700 20-March11,2026-Presidentsigned. 21 - March 11, 2026 - Speaker signed. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Wed, 11 Mar 2026 00:00:00 -0700 21-March11,2026-Speakersigned. 22 - March 12, 2026 - Delivered to Governor. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Thu, 12 Mar 2026 00:00:00 -0700 22-March12,2026-DeliveredtoGovernor. 23 - March 24, 2026 - Governor signed. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Tue, 24 Mar 2026 00:00:00 -0700 23-March24,2026-Governorsigned. 24 - March 24, 2026 - Chapter 210, 2026 Laws. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Tue, 24 Mar 2026 00:00:00 -0700 24-March24,2026-Chapter210,2026Laws. 25 - March 24, 2026 - Effective date 6/11/2026. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=6291&Initiative=False Bill Description - Concerning on-site wastewater treatment system inspections. Tue, 24 Mar 2026 00:00:00 -0700 25-March24,2026-Effectivedate6/11/2026.