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Class D Water License – Texas Questions and Answers Already Verified Latest Update 2025. Operators have a responsibility to provide drinking water that meets federal and state standards. (true/false) true Water must be disinfected, delivered at inadequate pressure, and be ample in quantity. (true/false) false (adequate pressure) Utility employees should guard the water supply and facilities from contamination, public tours, and even terrorism. (true/false) false (public tours) The s...

Class D Water License – Texas Exam (Latest Update) Questions and Answers (GRADED A) Operators have a responsibility to provide drinking water that meets federal and state standards. (true/false) true Water must be disinfected, delivered at inadequate pressure, and be ample in quantity. (true/false) false (adequate pressure) Utility employees should guard the water supply and facilities from contamination, public tours, and even terrorism. (true/false) false (public tours) The state r...

Class D Water License – Texas Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What is the maximum contaminant level goal (MCLG) for coliform bacteria? Zero. How often must water systems collect bacteriological samples? At least once per month, depending on system size. What is the minimum number of routine bacteriological samples required each month? At least one. What is the purpose of flushing water mains? To remove sediment, stale water, and improve...

This document provides accurate and verified questions with correct answers from the 2025–2026 Class D Water License Exam for the state of Texas. It covers foundational topics including water treatment processes, public health standards, disinfection methods, system maintenance, and regulatory requirements. Ideal for entry-level water system operators seeking TCEQ Class D certification.

©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:43 PM. 1 Class D Water Operator License Exam TCEQ Questions With Correct Answers 100% Verified. T/F: In Texas, about 75% of all water is used for commercial, industrial, or agricultural purposes. - AnswerTrue Water covers approximately ________ of Earth's surface. - Answer71% Drought is an extended period when a region receives a deficiency in its ________ water supply. - Answeratmospheric, ground, or surface T/F: Only about 1 gallon of tap...

©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:43 PM. 1 Class D Water License – Texas Exam Questions With Correct Answers 100% Verified. Operators have a responsibility to provide drinking water that meets federal and state standards. (true/false) - Answertrue Water must be disinfected, delivered at inadequate pressure, and be ample in quantity. (true/false) - Answerfalse (adequate pressure) Utility employees should guard the water supply and facilities from contamination, public tours, ...

Class D Water License – Texas 2024 Newest Exam With Complete Solutions

Operators have a responsibility to provide drinking water that meets federal and state standards. (true/false) true Water must be disinfected, delivered at inadequate pressure, and be ample in quantity. (true/false) false (adequate pressure) Utility employees should guard the water supply and facilities from contamination, public tours, and even terrorism. (true/false) false (public tours) The state requires bacteriological sample results be kept _____ years. 5 years The state requires ch...