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TEXAS CLASS A SURFACE WATER OPERATOR: ADVANCED
TREATMENT, TCEQ REGULATIONS, AND SYSTEM MANAGEMENT
FINAL EXAM QUESTIONS WITH DETAILED- VERIFIED ANSWERS-
ALREADY GRADED A+
Water Treatment Operations – Environmental Technology
Texas Class A Surface Water Operator exam bank covers TCEQ rules (30
TAC 290, SDWA), conventional & advanced treatment (coagulation,
flocculation, sedimentation, filtration, disinfection, membranes), water
quality (turbidity, pH, chlorine, THMs, HAA5), math (detention time,
dosing, pump hp, flow rates), safety (confined space IDLH, chlorine
handling, LOTO), SCADA, distribution, emergency response, CCRs, and
recordkeeping.
Water Treatment Technology: - Environmental Engineering / Science
TCEQ Regulatory Compliance: - Public Health Administration
Advanced Water System Operations :- Civil Engineering / Technology
Part 1 – Regulatory Framework & Licensing (Questions 1–30)
1. Which Texas agency administers water operator licensing and
enforces drinking water regulations?
A. Texas Department of Health
B. Texas Water Development Board
C. Texas Commission on Environmental Quality (TCEQ)
D. Texas Parks and Wildlife Department
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✅ Correct answer: C
Rationale: TCEQ is the primary regulatory body for water operator
licensing in Texas. The agency also enforces the Safe Drinking Water Act
provisions under 30 TAC Chapter 290.
2. What is the minimum passing score on a TCEQ licensing exam?
A. 65 percent
B. 70 percent
C. 75 percent
D. 80 percent
✅ Correct answer: B
Rationale: TCEQ requires a minimum score of 70 percent to pass any
applicable operator exam. This applies to all classes from D to A.
3. How much is the application fee for a TCEQ water operator license?
A. 75 dollars
B. 100 dollars
C. 111 dollars
D. 125 dollars
✅ Correct answer: C
Rationale: The TCEQ requires an application fee of 111 dollars as of the
current fee schedule. This fee is non‑refundable and must accompany
each license application.
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4. Which Texas Administrative Code (TAC) chapter contains the rules for
Public Drinking Water?
A. Chapter 30
B. Chapter 290
C. Chapter 307
D. Chapter 285
✅ Correct answer: B
Rationale: 30 TAC Chapter 290 regulates public drinking water systems
in Texas. It covers design, operation, monitoring, and reporting
requirements.
5. Which TAC chapter outlines general administration of occupational
licenses?
A. Chapter 30, Subchapter A
B. Chapter 285, Subchapter B
C. Chapter 290, Subchapter D
D. Chapter 307, Subchapter C
✅ Correct answer: A
Rationale: 30 TAC Chapter 30, Subchapter A covers general
occupational license administration. This includes application
procedures, fees, and renewal requirements.
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6. Under 30 TAC Chapter 290, how often must a public water system
submit a Consumer Confidence Report (CCR) to its customers?
A. Monthly
B. Quarterly
C. Annually
D. Every two years
✅ Correct answer: C
Rationale: Subchapter H requires an annual water quality report (CCR)
for community public water systems. The report must be delivered to
customers by July 1 of each year.
7. Which federal law establishes Maximum Contaminant Levels (MCLs)
for drinking water?
A. Clean Water Act
B. Safe Drinking Water Act (SDWA)
C. Resource Conservation and Recovery Act
D. Toxic Substances Control Act
✅ Correct answer: B
Rationale: The Safe Drinking Water Act (SDWA) sets MCLs and other
drinking water standards. The SDWA is enforced by the EPA and
delegated to states like Texas.
8. What is the primary difference between primary and secondary
drinking water standards?
TEXAS CLASS A SURFACE WATER OPERATOR: ADVANCED
TREATMENT, TCEQ REGULATIONS, AND SYSTEM MANAGEMENT
FINAL EXAM QUESTIONS WITH DETAILED- VERIFIED ANSWERS-
ALREADY GRADED A+
Water Treatment Operations – Environmental Technology
Texas Class A Surface Water Operator exam bank covers TCEQ rules (30
TAC 290, SDWA), conventional & advanced treatment (coagulation,
flocculation, sedimentation, filtration, disinfection, membranes), water
quality (turbidity, pH, chlorine, THMs, HAA5), math (detention time,
dosing, pump hp, flow rates), safety (confined space IDLH, chlorine
handling, LOTO), SCADA, distribution, emergency response, CCRs, and
recordkeeping.
Water Treatment Technology: - Environmental Engineering / Science
TCEQ Regulatory Compliance: - Public Health Administration
Advanced Water System Operations :- Civil Engineering / Technology
Part 1 – Regulatory Framework & Licensing (Questions 1–30)
1. Which Texas agency administers water operator licensing and
enforces drinking water regulations?
A. Texas Department of Health
B. Texas Water Development Board
C. Texas Commission on Environmental Quality (TCEQ)
D. Texas Parks and Wildlife Department
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✅ Correct answer: C
Rationale: TCEQ is the primary regulatory body for water operator
licensing in Texas. The agency also enforces the Safe Drinking Water Act
provisions under 30 TAC Chapter 290.
2. What is the minimum passing score on a TCEQ licensing exam?
A. 65 percent
B. 70 percent
C. 75 percent
D. 80 percent
✅ Correct answer: B
Rationale: TCEQ requires a minimum score of 70 percent to pass any
applicable operator exam. This applies to all classes from D to A.
3. How much is the application fee for a TCEQ water operator license?
A. 75 dollars
B. 100 dollars
C. 111 dollars
D. 125 dollars
✅ Correct answer: C
Rationale: The TCEQ requires an application fee of 111 dollars as of the
current fee schedule. This fee is non‑refundable and must accompany
each license application.
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4. Which Texas Administrative Code (TAC) chapter contains the rules for
Public Drinking Water?
A. Chapter 30
B. Chapter 290
C. Chapter 307
D. Chapter 285
✅ Correct answer: B
Rationale: 30 TAC Chapter 290 regulates public drinking water systems
in Texas. It covers design, operation, monitoring, and reporting
requirements.
5. Which TAC chapter outlines general administration of occupational
licenses?
A. Chapter 30, Subchapter A
B. Chapter 285, Subchapter B
C. Chapter 290, Subchapter D
D. Chapter 307, Subchapter C
✅ Correct answer: A
Rationale: 30 TAC Chapter 30, Subchapter A covers general
occupational license administration. This includes application
procedures, fees, and renewal requirements.
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6. Under 30 TAC Chapter 290, how often must a public water system
submit a Consumer Confidence Report (CCR) to its customers?
A. Monthly
B. Quarterly
C. Annually
D. Every two years
✅ Correct answer: C
Rationale: Subchapter H requires an annual water quality report (CCR)
for community public water systems. The report must be delivered to
customers by July 1 of each year.
7. Which federal law establishes Maximum Contaminant Levels (MCLs)
for drinking water?
A. Clean Water Act
B. Safe Drinking Water Act (SDWA)
C. Resource Conservation and Recovery Act
D. Toxic Substances Control Act
✅ Correct answer: B
Rationale: The Safe Drinking Water Act (SDWA) sets MCLs and other
drinking water standards. The SDWA is enforced by the EPA and
delegated to states like Texas.
8. What is the primary difference between primary and secondary
drinking water standards?
