Washington § 18.210.100 Written examination—Minimum requirements.

Washington Statutes

§ 18.210.100 — Written examination—Minimum requirements.

Washington § 18.210.100

Title 18BUSINESSES AND PROFESSIONS

Ch. 18.210ON-SITE WASTEWATER TREATMENT SYSTEMS—DESIGNER LICENSING

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Bluebook

Wash. Rev. Code § 18.210.100 (2026).

Text

All applicants for licensure under this chapter, except as provided in RCW 18.210.180 , must pass a written examination administered by the board and must also meet the following minimum requirements:

(1)A high school diploma or equivalent; and

(2)A minimum of four years of experience, as approved by the board, showing increased responsibility for the design of on-site wastewater treatment systems. The experience should include site soil assessment, hydraulics, topographic delineations, use of specialized treatment processes and devices, microbiology, and construction practices. Completion of satisfactory college-level coursework or successful participation in a board-approved internship or mentoring program may be substituted for up to two years of the experience requirement.

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All applicants for licensure under this chapter, except as provided in RCW 18.210.180 , must pass a written examination administered by the board and must also meet the following minimum requirements:

(1) A high school diploma or equivalent; and

(2) A minimum of four years of experience, as approved by the board, showing increased responsibility for the design of on-site wastewater treatment systems. The experience should include site soil assessment, hydraulics, topographic delineations, use of specialized treatment processes and devices, microbiology, and construction practices. Completion of satisfactory college-level coursework or successful participation in a board-approved internship or mentoring program may be substituted for up to two years of the experience requirement.