Class D Water Operator License
Class D Water Operator License
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Exam (elaborations)
CLASS D WATER OPERATOR LICENSE EXAM TCEQ 2025 UPDATED ACTUAL EXAM WITH CORRECT SOLUTIONS.
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5.0(1)5.0316November 20252025/2026A+Available in bundle
- CLASS D WATER OPERATOR LICENSE EXAM TCEQ 2025 UPDATED ACTUAL EXAM WITH CORRECT SOLUTIONS.
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$21.49 More Info
Belaire
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Exam (elaborations)
CLASS D WATER OPERATOR LICENSE EXAM TCEQ 2025 UPDATED ACTUAL EXAM WITH CORRECT SOLUTIONS.
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5.0(1)5.0321November 20252025/2026A+Available in bundle
- CLASS D WATER OPERATOR LICENSE EXAM TCEQ 2025 UPDATED ACTUAL EXAM WITH CORRECT SOLUTIONS.
-
Popular
$21.49 More Info
Belaire
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Exam (elaborations)
Class D Water Operator License Exam TCEQ
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---18October 20252025/2026A+
- Class D Water Operator License Exam TCEQ 
T/F: In Texas, about 75% of all water is used for commercial, industrial, or agricultural purposes. 
True 
Water covers approximately ________ of Earth's surface. 
71% 
Drought is an extended period when a region receives a deficiency in its ________ water supply. 
Atmospheric, ground, or surface 
T/F: Only about 1 gallon of tap water per person/day is used for drinking and cooking 
True 
Excluding outside water use, the average household uses about _...
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Phoebe312
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Exam (elaborations)
CLASS D WATER OPERATOR LICENSE EXAM TCEQ 2025 QUESTIONS AND ANSWERS
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---21August 20252025/2026A+
- @COPYRIGHT FYNDLAY 2025/2026 
Page1 
T/F: In Texas, about 75% of all water is used for commercial, industrial, or agricultural purposes. 
- ANS True 
Water covers approximately ________ of Earth's surface. - ANS 71% 
Drought is an extended period when a region receives a deficiency in its ________ water 
supply. - ANS atmospheric, ground, or surface 
T/F: Only about 1 gallon of tap water per person/day is used for drinking and cooking - 
ANS True 
Excluding outside water use, the average hous...
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$12.99 More Info
Fyndlay
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Exam (elaborations)
Class D Water Operator License Exam TCEQ Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
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---41September 20252025/2026A+
- Class D Water Operator License Exam 
TCEQ Questions and Answers | Latest 
Version | 2025/2026 | Correct & Verified 
 
What is the primary responsibility of a Class D water operator? 
To provide safe and reliable drinking water to the public. 
 
Who regulates public water systems in Texas? 
The Texas Commission on Environmental Quality (TCEQ). 
 
What is the maximum contaminant level for nitrate in drinking water? 
10 mg/L as nitrogen. 
 
What is the recommended minimum chlorine residual in a dis...
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SterlingScores
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Exam (elaborations)
CLASS D WATER OPERATOR LICENSE EXAM TCEQ 2025 BRAND NEW ACTUAL EXAM WITH ANSWERS.
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--37August 20252025/2026A+Available in bundle
- CLASS D WATER OPERATOR LICENSE 
EXAM TCEQ 2025 BRAND NEW ACTUAL 
EXAM WITH ANSWERS.
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$16.99 More Info
Savvynurse
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Exam (elaborations)
Class D Water Operator License Exam – TCEQ Questions and Correct Answers
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---26July 20252024/2025A+
- This document includes an extensive collection of verified multiple-choice and true/false questions with correct answers designed for candidates preparing for the Class D Water Operator License Exam in Texas, as administered by the TCEQ. Covered topics include water treatment, disinfection, sampling procedures, regulatory compliance, groundwater and surface water systems, public safety, emergency protocols, and operator responsibilities. Ideal for review and exam readiness aligned with current s...
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Hosmerit