{"data":{"id":"us-wa/rcw-18.210.100","jurisdiction":"us-wa","citation":"RCW 18.210.100","heading":"Written examination—Minimum requirements.","body":"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:\n(1) A high school diploma or equivalent; and\n(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.","path":["Title 18","Chapter 18.210"],"source_url":"https://app.leg.wa.gov/rcw/default.aspx?cite=18.210.100","current_through":"July 15, 2026","vintage":"","retrieved_at":"2026-09-06T01:22:13Z","sha256":"8e0b087760b97cb4192f545ed05be19ca8c7b580748311fb7212f39f1584d630","source_id":"us-wa","stale":false,"prev":"us-wa/rcw-18.210.080","next":"us-wa/rcw-18.210.110"},"notice":"GroundRules: Original legal text. Not legal advice."}