TCEQ CLASS C WATER LICENSE EXAM
Texas Commission on Environmental Quality
Complete Study Guide with 200+ Practice Questions & Answers
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TABLE OF CONTENTS
| Section | Topic | Questions |
|---------|-------|-----------|
| 1 | Exam Overview & Licensing Requirements | 1-15 |
| 2 | Water Sources & Hydrology | 16-30 |
| 3 | Water Treatment Processes | 31-55 |
| 4 | Disinfection & Chlorination | 56-80 |
| 5 | Distribution Systems | 81-105 |
| 6 | Water Quality & Regulatory Standards | 106-130 |
| 7 | Pumps, Motors & Equipment | 131-150 |
| 8 | Valves, Hydrants & Storage | 151-170 |
| 9 | Safety & Confined Spaces | 171-190 |
| 10 | Cross-Connection Control & Backflow Prevention | 191-210 |
| 11 | Sampling & Monitoring | 211-225 |
| 12 | Calculations & Hydraulics | 226-250 |
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EXAM OVERVIEW
,| Feature | Details |
|---------|---------|
| Agency | Texas Commission on Environmental Quality (TCEQ) |
| License | Class C Water Operator (Groundwater, Surface Water, or Distribution) |
| Exam Format | Computer-Based Testing (CBT) |
| Duration | Approximately 3 hours |
| Passing Score | 70% |
| Renewal Cycle | Every 3 years |
| Minimum Pressure (Normal) | 35 psi |
| Minimum Pressure (Emergency) | 20 psi |
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SECTION 1: EXAM OVERVIEW & LICENSING REQUIREMENTS
1. Which state agency is responsible for enforcing the Safe Drinking Water Act in Texas?
A) Texas Department of Health
B) Texas Commission on Environmental Quality (TCEQ)
C) Environmental Protection Agency (EPA)
D) Texas Water Development Board
Answer: B) Texas Commission on Environmental Quality (TCEQ)
,Rationale: The TCEQ is the state agency responsible for enforcing the Safe Drinking Water
Act (SDWA) in Texas.
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2. Waterworks operators holding Grade C certificates are required to renew their
certificates every:
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Answer: C) 3 years
Rationale: Class C water operators must renew their certificates every three years and
inform TCEQ of any address changes.
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3. What is the minimum experience required for a Class C license with a high school
diploma or GED?
A) No experience required
B) 6 months
C) 1 year
D) 2 years
, Answer: D) 2 years
Rationale: TCEQ requires two years of experience for a Class C license with a high school
diploma or GED. Class C applicants may substitute up to one year of the required
experience with 16 semester hours of college or 20 hours of training credits.
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4. What is the major responsibility of a certified waterworks operator?
A) Maintain accurate financial records
B) Ensure that a safe and adequate supply of drinking water is delivered to the customer's
tap
C) Supervise construction projects
D) Manage billing and collections
Answer: B) Ensure that a safe and adequate supply of drinking water is delivered to the
customer's tap
Rationale: The primary responsibility of a certified waterworks operator is to ensure the
delivery of safe and adequate drinking water to customers.
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5. What responsibility does an operator with a Class C license have?
Texas Commission on Environmental Quality
Complete Study Guide with 200+ Practice Questions & Answers
---
TABLE OF CONTENTS
| Section | Topic | Questions |
|---------|-------|-----------|
| 1 | Exam Overview & Licensing Requirements | 1-15 |
| 2 | Water Sources & Hydrology | 16-30 |
| 3 | Water Treatment Processes | 31-55 |
| 4 | Disinfection & Chlorination | 56-80 |
| 5 | Distribution Systems | 81-105 |
| 6 | Water Quality & Regulatory Standards | 106-130 |
| 7 | Pumps, Motors & Equipment | 131-150 |
| 8 | Valves, Hydrants & Storage | 151-170 |
| 9 | Safety & Confined Spaces | 171-190 |
| 10 | Cross-Connection Control & Backflow Prevention | 191-210 |
| 11 | Sampling & Monitoring | 211-225 |
| 12 | Calculations & Hydraulics | 226-250 |
---
EXAM OVERVIEW
,| Feature | Details |
|---------|---------|
| Agency | Texas Commission on Environmental Quality (TCEQ) |
| License | Class C Water Operator (Groundwater, Surface Water, or Distribution) |
| Exam Format | Computer-Based Testing (CBT) |
| Duration | Approximately 3 hours |
| Passing Score | 70% |
| Renewal Cycle | Every 3 years |
| Minimum Pressure (Normal) | 35 psi |
| Minimum Pressure (Emergency) | 20 psi |
---
SECTION 1: EXAM OVERVIEW & LICENSING REQUIREMENTS
1. Which state agency is responsible for enforcing the Safe Drinking Water Act in Texas?
A) Texas Department of Health
B) Texas Commission on Environmental Quality (TCEQ)
C) Environmental Protection Agency (EPA)
D) Texas Water Development Board
Answer: B) Texas Commission on Environmental Quality (TCEQ)
,Rationale: The TCEQ is the state agency responsible for enforcing the Safe Drinking Water
Act (SDWA) in Texas.
---
2. Waterworks operators holding Grade C certificates are required to renew their
certificates every:
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Answer: C) 3 years
Rationale: Class C water operators must renew their certificates every three years and
inform TCEQ of any address changes.
---
3. What is the minimum experience required for a Class C license with a high school
diploma or GED?
A) No experience required
B) 6 months
C) 1 year
D) 2 years
, Answer: D) 2 years
Rationale: TCEQ requires two years of experience for a Class C license with a high school
diploma or GED. Class C applicants may substitute up to one year of the required
experience with 16 semester hours of college or 20 hours of training credits.
---
4. What is the major responsibility of a certified waterworks operator?
A) Maintain accurate financial records
B) Ensure that a safe and adequate supply of drinking water is delivered to the customer's
tap
C) Supervise construction projects
D) Manage billing and collections
Answer: B) Ensure that a safe and adequate supply of drinking water is delivered to the
customer's tap
Rationale: The primary responsibility of a certified waterworks operator is to ensure the
delivery of safe and adequate drinking water to customers.
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5. What responsibility does an operator with a Class C license have?
