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  • Protecting Public Health and the Environment


Voluntary Collections

Exams offered annually in April and September.
See application for more information and application deadlines.

Exam References

  • Preparing for Exam
  • Formula Sheet
  • Collections Study Guide
  • ABC Sample Questions
  • ABC Need to Know Criteria
  • California State University, Sacramento (CSUS) Foundation, Office of Water Programs
    • Operation of Wastewater Treatment Plants, Volume I and II
    • Operation and Maintenance of Wastewater Collection Systems, Volume I and II
    • Manage for Success


    To order, contact:
    Office of Water Programs
    California State University, Sacramento
    6000 J Street
    Sacramento, CA 95819-6025
    Web site:
    Phone: (916) 278-6142
    Fax: (916) 278-5959
  • Water Environment Federation
    • Operation of Municipal Wastewater Treatment Plants - Manual of Practice No. 11
    • Existing Sewer Evaluation and Rehabilitation - Manual of Practice FD-6
    • Wastewater Collection Systems Management - Manual of Practice No. 7


    To order, contact:
    Water Environment Federation
    601 Wythe Street
    Alexandria, VA 22314-1994
    Web site:
    Phone: (800) 666-0206
    Fax: (703) 684-2492

Voluntary Collection System Certification Fact Sheet

Certification Application

Renewal Form