Shown verbatim: the complete text as captured from the official page posted by the Washington Legislature, fetched 2026-08-29. This is the chaptered version. The official bill page.
CERTIFICATION OF ENROLLMENT SENATE BILL 6291 Chapter 210, Laws of 2026 69TH LEGISLATURE 2026 REGULAR SESSION ON-SITE WASTEWATER TREATMENT SYSTEM INSPECTIONS—NONCERTIFIED INDIVIDUALS EFFECTIVE DATE: June 11, 2026 Passed by the Senate March 10, 2026 Yeas 49 Nays 0 DENNY HECK President of the Senate Passed by the House March 3, 2026 Yeas 93 Nays 0 LAURIE JINKINS Speaker of the House of Representatives CERTIFICATE I, Sarah Bannister, Secretary of the Senate of the State of Washington, do hereby certify that the attached is SENATE BILL 6291 as passed by the Senate and the House of Representatives on the dates hereon set forth. SARAH BANNISTER Secretary Secretary Approved March 24, 2026 2:23 PM FILED March 25, 2026 BOB FERGUSON Governor of the State of Washington Secretary of State State of Washington SENATE BILL 6291 AS AMENDED BY THE HOUSE Passed Legislature - 2026 Regular Session State of Washington 69th Legislature 2026 Regular Session By Senators Lovelett and Shewmake Read first time 01/22/26. Referred to Committee on Local Government. AN ACT Relating to on-site wastewater treatment system inspections; and amending RCW 70A.105.110. BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF WASHINGTON: Sec. 1. RCW 70A.105.110 and 2019 c 442 s 20 are each amended to read as follows: (1) The local board of health shall ensure that individuals who conduct inspections of on-site wastewater treatment systems as defined in RCW 18.210.010 or who otherwise conduct reviews of such systems are qualified in the technology and application of on-site sewage treatment principles. A certificate of competency issued by the state board of registration for professional engineers and land surveyors is adequate demonstration that an individual is competent in the engineering aspects of on-site wastewater treatment system technology. (2) A local board of health may allow noncertified individuals to review designs of, and conduct inspections of, on-site wastewater treatment systems ((for a maximum of two years after the date of hire, if a certified individual reviews or supervises the work during that time )), as defined in RCW 18.210.010, pursuant to this section under the supervision of a certified individual. Such supervised practice may continue for a maximum of four years after the date of hire . Passed by the Senate March 10, 2026. Passed by the House March 3, 2026. Approved by the Governor March 24, 2026. Filed in Office of Secretary of State March 25, 2026.
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