Texas Class B Surface Water Operator Practice Test
Practice for the TCEQ Class B Surface Water Operator license. Diagnose-and-optimize depth: lab analyses (alkalinity titration, MF coliform), thermal stratification problem-solving, corrosion control + LSI interpretation, enhanced coagulation for TOC removal, CT with baffle factor, chlorinator component-level knowledge, horsepower math (WHP, BHP, MHP), and wire-to-water efficiency. Calibrated to TCEQ's official Need-to-Know Criteria for Class B Surface Water Operators. Calibrated to TCEQ Need-to-Know Criteria published 2026-03-17.
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Browse all testsBoth options pull from the same 54-question bank. The quick quiz randomly selects 25 questions each time you take it.
Texas Class B Surface Water Operator Practice Test
About this practice test
This Texas Class B Surface Water Operator Practice Test practice test is a free study tool for water operators preparing for state and national certification exams. The 54 questions on this exam cover the most common topics tested at this level, and every question comes with a plain-English explanation so you can actually learn the material.
If you're studying for the certification exam, we recommend taking this test once, reviewing the explanations for any questions you missed, and then taking it again later. You can also explore the other practice tests covering specific topics like disinfection, filtration, and operator math. If you want a structured walk-through of what to study and in what order, see our 30-day study plan.