Certification Exams - Minimum Requirements

Operator in Training (OIT) applicants for Water Distribution Manager (WDM-IT) and Water Treatment Plant Operator (WTPO-IT) must meet the following requirements WAC 246-292-060(3):

  • Level 1 must meet the minimum education identified in Table 5 or 6 and either:
    • Three months operating experience in a distribution system or a water treatment plant, and three months water-related experience.
    • Three relevant college credits or thirty hours (three CEUs) of relevant training.
  • Levels 2 through 4 must meet the minimum education and water-related experience requirements identified in Table 5 or 6 for the applicable certification level, excluding the operating experience requirements.