Texas, TCEQ, Wastewater Treatment, Class D
Today's 5: Texas Class D Wastewater operator math
Five operator-math problems for the Texas Class D wastewater exam, mixed across the 4 subjects TCEQ confirms at this grade, fresh every day. Each one checks your answer and shows all ten worked steps. No account, no score claim, and your set saves on this device.
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Good to know
Where this fits on the official examThe TCEQ subjects and math scope this set draws from
- The official subject list this module serves
- Twenty official Need-to-Know subject categories, from Statutes and Rules through Math Problems (incl. Permits, Design Criteria, Safety, Laboratory, Collection, Pumping, treatment stages, Process Control, Disinfection, Sludge Digestion, Biosolids, Effluent Disposal).
- Source: TCEQ Wastewater Operator Exam Knowledge ('What You Need to Know for a Class D Wastewater Treatment Plant Operator Exam' table.)
- The official math scope
- Class D math: one- or two-step geometry and algebra problems involving area, volume, flow rate, and dosage rate in wastewater contexts.
- Source: TCEQ Wastewater Operator Exam Knowledge (Class D table, 'Math Problems' row.)
Last reviewed 2026-08-01. Facts link to their official source.