(Depending on License) 21 (A), 20 (B), 18 (C) or Trainee. Treatment Plant Operator /
Job Title
Treatment Plant Operator Trainee or Class A, B, C - Water Production
Treatment Plant Operator Trainee or Class A, B, C - Water Production
(Depending on License) 21 (A), 20 (B), 18 (C) or Trainee. Treatment Plant Operator /