ABC Association of Boards of Certification VIP Operator Exam

ABC — The Association of Boards of Certification (ABC) is a nonprofit organization that develops and administers standardized certification examinations for water treatment, water distribution, wastewater treatment, and wastewater collection operators across the United States and Canada; exams are grade-leveled (I–IV) and adopted by individual state licensing boards, with a typical passing score of 70% and exam lengths ranging from 60–100+ questions depending on grade and discipline.