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Water and Wastewater Operator resources

Provides preparation guides (Need to Know) for preparing for the certification exams.

    On this page

    • Wastewater Collection Operator
    • Wastewater Treatment Operator
    • Water Distribution Operator
    • Water Treatment Operator

Wastewater Collection Operator

  • Class I (PDF 626 KB)
  • Class II (PDF  627 KB)
  • Class III (PDF 627 KB)
  • Class IV (PDF 631 KB)
  • Supporting Knowledge (PDF 722 KB)

Wastewater Treatment Operator

  • Class I (PDF 606 KB)
  • Class II (PDF  605 KB)
  • Class III (PDF 605 KB)
  • Class IV (PDF 608 KB)
  • Supporting Knowledge (PDF 700 KB)

Water Distribution Operator

  • Class I (PDF 577 KB)
  • Class II (PDF  577 KB)
  • Class III (PDF 577 KB)
  • Class IV (PDF 572 KB)
  • Supporting Knowledge (PDF 752 KB)

Water Treatment Operator

  • Class I (PDF 607 KB)
  • Class II (PDF  604 KB)
  • Class III (PDF 609 KB)
  • Class IV (PDF 610 KB)
  • Supporting Knowledge (PDF 648 KB)

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