- Study guides, Class notes & Summaries

©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...

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15 pages

Written in 2024/2025

Grade A+

TheStar

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 req...

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12 pages

Written in 2023/2024

Grade A+

STUDENTROOM

CLASS D WATER LICENSE – TEXAS EXAM LATEST UPDATE 2026 ALREADY GRADED A+ The state requires bacteriological sample results be kept _____ years. - ANSWER The state requires chemical analysis be kept at least _____ years. - ANSWER --5 years --10 years EPA requires a water system to keep a copy of each consumer confidence report at least _____ years. - ANSWER --5 years Operators have a responsibility to provide drinking water that meets federal and state standards. (tru...

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36 pages

Written in 2025/2026

Grade A+

munenenjeri37

Class D Water License – Texas EXAM | LATEST UPDATED | COMPLETE 80 QUESTIONS AND 100% RATED CORRECT ANSWERS | (ALREADY GRADED A+)

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18 pages

Written in 2025/2026

Grade A+

JAYDEN254

CLASS D WATER LICENSE – TEXAS EXAM WITH COMPLETE SOLUTIONS 100% VERIFIED 2026 UPDATE!!...

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23 pages

Written in 2025/2026

Grade A+

Easton

Class D Water License – Texas EXAM QUESTIONS WITH CORRECT SOLUTIONS||100% GUARANTEED PASS||UPDATED 2026/2027 SYLLABUS||ALREADY GRADED A+||<<NEWEST VERSION>> It is possible to have positive bacteriological samples removed from your record. (true/false) - ANSWER true It is _____ public health risk if a positive fecal coliform repeat sample or a positive total coliform repeat sample follows a positive fecal coliform routine sample. - ANSWER an acute Acute violations requi...

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28 pages

Written in 2025/2026

Grade A+

SmartscoreAaron

Texas Class D Water Operator Certification Mastery (2025–2026): Practice Problems with Detailed Explanations Based on ABC & TCEQ Standards

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43 pages

Written in 2025/2026

Grade A+

GraceAlfred

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...

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27 pages

Written in 2025/2026

Grade A+

Phoebe312

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...

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48 pages

Written in 2025/2026

Grade A+

Phoebe312

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.

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37 pages

Written in 2024/2025

Grade A+

dennohz2000

©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, ...

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22 pages

Written in 2024/2025

Grade A+

TheStar

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

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40 pages

Written in 2024/2025

Grade A+

denizklin024

TCEQ EXAM Pack | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A

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10 items

Axpert

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...

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49 pages

Written in 2023/2024

Grade A+

GOLDENHEART

TCEQ Class D Water Exams - Questions with Answers - Bundle

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9 items

AccurateScores

Class D Water License – Texas Exam (297 Questions and Answers)

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23 pages

Written in 2023/2024

Grade A+

AccurateScores

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 req...

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29 pages

Written in 2023/2024

Grade A+

STUDENTROOM

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 req...

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29 pages

Written in 2023/2024

Grade A+

STUDENTROOM

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...

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49 pages

Written in 2023/2024

Grade A+

AmazingGrace

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 c...

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40 pages

Written in 2023/2024

Grade A+

mitchelwiliams