WA Wastewater Operator Certification Information:

• WA Wastewater Treatment Operator Certification Program

  • Information Manual for Treatment Plant Operators
  • Accesss your SecureAccess Washington Account to look up your certification information

• ABC Testing

  • This page will have links to
    • Need-to-Know-Criteria
    • Formulas & Conversion Tables
    • Sample Exam Questions

• WA Testing Sites for Wastewater Certification Exam

WA Drinking Water Operator Certification Information:

• WA Waterworks Operator Certification

• Washington Certification Services (for Drinking Water)

• ABC Testing

  • • This page will have links to
      • Need-to-Know-Criteria
      • Formulas & Conversion Tables
      • Sample Exam Questions

• WA Testing Sites for Drinking Water Certification Exam