Water & WastewaterState certification9 free questions
Wastewater Treatment Grade 1 Exam Requirements
Eligibility, exam format, passing score and how certification is issued. Always confirm details with the certifying body before you book.
Eligibility
Eligibility is set by each state's operator certification program, not by the exam author. Grade 1 typically requires a high-school diploma or GED and little or no experience, with experience requirements increasing at higher grades.
Format
- 100 multiple-choice questions
- 180 minutes
- Passing score 70%
- Calculators are generally permitted; a formula and conversion sheet is normally provided.
Always confirm details with your state program.