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Wastewater Treatment Grade 1 Frequently Asked Questions

How many questions are on the Wastewater Treatment Operator Grade 1 exam?
100 multiple-choice questions in 180 minutes, with a passing score of 70%. Confirm with your state program, as some states adjust the format.
Is a formula sheet provided?
Most administrations provide a formula and conversion sheet. You still need to know which formula applies and how to rearrange it.
Are these the real exam questions?
No. All CertReady questions are original practice material covering the same topics as the official exam.
Wastewater Treatment Grade 1 FAQ — Common Questions Answered