Page 1 of 54
TCEQ CLASS C& D WATER LICENSE EXAM
|NEW UPDATES WITH VERIFIED
QS&As|ALREADY GRADED A+
Q1. The primary state regulations governing public water
systems in Texas are found in:
A) 30 TAC Chapter 30
B) 30 TAC Chapter 290 (Public Water Systems)
C) 30 TAC Chapter 285
D) 40 CFR Part 141
Answer: B
*Rationale: Title 30, Texas Administrative Code, Chapter 290
contains the rules for public water systems in Texas. Section
290.38 specifically addresses drinking water standards.【3†L1-
L4】*
,Page 2 of 54
Q2. Under 30 TAC §290.46, which of the following is a
required component of a public water system's operations and
maintenance manual?
A) Employee vacation schedules
B) Emergency procedures for equipment failure and natural
disasters
C) Quarterly profit and loss statements
D) Customer complaint logs
Answer: B
*Rationale: The rules require water systems to maintain an up-to-
date operations and maintenance manual that includes
emergency procedures, including plans for equipment failure and
natural disasters.【3†L14-L18】*
Q3. The Safe Drinking Water Act (SDWA) was originally
passed by the U.S. Congress in which year?
A) 1965
,Page 3 of 54
B) 1972
C) 1974
D) 1986
Answer: C
*Rationale: The Safe Drinking Water Act (SDWA) was passed in
1974 to protect public health by regulating the nation's public
drinking water supply. It was significantly amended in 1986 and
1996.【2†L1-L3】*
Q4. Which of the following is NOT a requirement for a public
water system when constructing a new water main?
A) Submit engineering plans to TCEQ for approval
B) Use approved pipe materials meeting AWWA standards
C) Conduct pressure testing before placing the main into service
D) Obtain approval from the local homeowners association
Answer: D
*Rationale: The TCEQ rules for public water systems require
, Page 4 of 54
engineering plan approval, approved materials, and pressure
testing for new mains. Homeowners association approval is not a
TCEQ requirement, though local ordinances may apply.【3†L19-
L23】*
Q5. Under the Lead and Copper Rule, if more than 10 percent
of samples exceed the action level for lead, the water system
must implement which of the following?
A) Install new water mains
B) Implement corrosion control treatment and public education
C) Replace all lead service lines within 6 months
D) Increase chlorine residual to 2.0 mg/L
Answer: B
*Rationale: The Lead and Copper Rule requires water systems to
implement corrosion control treatment and conduct public
education when lead action level exceedances occur. The action
level for lead is 0.015 mg/L.【5†L1-L4】*
TCEQ CLASS C& D WATER LICENSE EXAM
|NEW UPDATES WITH VERIFIED
QS&As|ALREADY GRADED A+
Q1. The primary state regulations governing public water
systems in Texas are found in:
A) 30 TAC Chapter 30
B) 30 TAC Chapter 290 (Public Water Systems)
C) 30 TAC Chapter 285
D) 40 CFR Part 141
Answer: B
*Rationale: Title 30, Texas Administrative Code, Chapter 290
contains the rules for public water systems in Texas. Section
290.38 specifically addresses drinking water standards.【3†L1-
L4】*
,Page 2 of 54
Q2. Under 30 TAC §290.46, which of the following is a
required component of a public water system's operations and
maintenance manual?
A) Employee vacation schedules
B) Emergency procedures for equipment failure and natural
disasters
C) Quarterly profit and loss statements
D) Customer complaint logs
Answer: B
*Rationale: The rules require water systems to maintain an up-to-
date operations and maintenance manual that includes
emergency procedures, including plans for equipment failure and
natural disasters.【3†L14-L18】*
Q3. The Safe Drinking Water Act (SDWA) was originally
passed by the U.S. Congress in which year?
A) 1965
,Page 3 of 54
B) 1972
C) 1974
D) 1986
Answer: C
*Rationale: The Safe Drinking Water Act (SDWA) was passed in
1974 to protect public health by regulating the nation's public
drinking water supply. It was significantly amended in 1986 and
1996.【2†L1-L3】*
Q4. Which of the following is NOT a requirement for a public
water system when constructing a new water main?
A) Submit engineering plans to TCEQ for approval
B) Use approved pipe materials meeting AWWA standards
C) Conduct pressure testing before placing the main into service
D) Obtain approval from the local homeowners association
Answer: D
*Rationale: The TCEQ rules for public water systems require
, Page 4 of 54
engineering plan approval, approved materials, and pressure
testing for new mains. Homeowners association approval is not a
TCEQ requirement, though local ordinances may apply.【3†L19-
L23】*
Q5. Under the Lead and Copper Rule, if more than 10 percent
of samples exceed the action level for lead, the water system
must implement which of the following?
A) Install new water mains
B) Implement corrosion control treatment and public education
C) Replace all lead service lines within 6 months
D) Increase chlorine residual to 2.0 mg/L
Answer: B
*Rationale: The Lead and Copper Rule requires water systems to
implement corrosion control treatment and conduct public
education when lead action level exceedances occur. The action
level for lead is 0.015 mg/L.【5†L1-L4】*
