TEXAS IRRIGATOR LICENSE EXAM 300
ACTUAL QUESTIONS AND CORRECT ANSWERS
WITH RATIONALE LATEST UPDATE
This comprehensive set of 300 questions and answers covers the essential
concepts for the Texas Irrigator License Exam, administered by the TCEQ.
The material thoroughly examines licensure requirements including the 40-
hour training course, application process, license types (Landscape Irrigator,
Technician, Inspector), renewal requirements, and continuing education.
Technical topics include hydraulics, pipe sizing, friction loss, precipitation
rates, distribution uniformity, and system design principles. The questions
also cover backflow prevention methods including AVB, PVB, RPZ, DCVA,
and air gaps, along with irrigation components such as controllers, valves,
pumps, sprinkler heads, and drip systems. Additionally, the content explores
water conservation, xeriscaping, smart controllers, and TCEQ regulations for
protecting potable water supplies.
1. Which agency in Texas is responsible for licensing irrigators?
A. Texas Department of Agriculture
B. Texas Commission on Environmental Quality
C. Texas Water Development Board
D. Texas Board of Irrigators
Correct Answer: B
Rationale: The Texas Commission on Environmental Quality (TCEQ) is the
state agency responsible for licensing landscape irrigators, irrigation technicians,
and irrigation inspectors in Texas.
2. What is the minimum passing score required for each section of the Texas
Irrigator License Exam?
A. 60%
B. 70%
C. 75%
D. 80%
Correct Answer: B
Rationale: To pass the Texas Irrigator License Exam, a candidate must achieve a
minimum score of 70% on each section of the examination.
,3. Which license type allows a person to design, install, maintain, and connect an
irrigation system to any water supply?
A. Irrigation Technician
B. Irrigation Inspector
C. Landscape Irrigator
D. Plumber
Correct Answer: C
Rationale: A Landscape Irrigator license provides the broadest scope of practice,
allowing the licensee to sell, design, consult, install, maintain, alter, repair, or
service an irrigation system and connect it to any water supply.
4. What is the role of an Irrigation Technician under Texas law?
A. To inspect systems for compliance and investigate complaints
B. To connect an irrigation system under the supervision of a licensed irrigator
C. To design irrigation systems for commercial properties
D. To issue permits for new irrigation installations
Correct Answer: B
Rationale: An Irrigation Technician is licensed to connect a landscape irrigation
system to a water supply, install backflow prevention devices, and perform
maintenance and repairs, but these activities must be under the supervision of a
licensed irrigator.
5. How long is a Texas Irrigator license valid before renewal is required?
A. 1 year
B. 2 years
C. 3 years
D. 5 years
Correct Answer: C
Rationale: A Texas Irrigator license must be renewed every three years to
remain valid.
6. How many continuing education units (CEUs) are required to renew a Texas
Irrigator license?
A. 8 hours
B. 16 hours
C. 24 hours
D. 32 hours
Correct Answer: C
, Rationale: License renewal requires the completion of 24 hours of continuing
education units (CEUs).
7. What is the fee to apply for an initial Texas Irrigator license?
A. $50
B. $75
C. $111
D. $120
Correct Answer: C
Rationale: The application fee for a Texas Irrigator license is $111.
8. What is the time limit for the Texas Landscape Irrigator computer-based exam?
A. 3 hours
B. 4 hours
C. 5 hours
D. 6 hours
Correct Answer: D
Rationale: The Texas Landscape Irrigator exam has a six-hour time limit due to
its length and complexity.
9. How many members serve on the Texas Irrigator Advisory Council?
A. 5
B. 7
C. 9
D. 11
Correct Answer: C
Rationale: The Irrigator Advisory Council (IAC) is made up of nine members
who advise the TCEQ on matters related to irrigation.
10. Who appoints the members of the Texas Irrigator Advisory Council?
A. The Governor of Texas
B. The Texas Legislature
C. The Texas Commission on Environmental Quality
D. The Department of Agriculture
Correct Answer: C
Rationale: The members of the Irrigator Advisory Council are appointed by the
Texas Commission on Environmental Quality.
11. What is the minimum required training before applying for the Texas Irrigator
License Exam?
, A. 20-hour course
B. 40-hour course
C. 60-hour course
D. 80-hour course
Correct Answer: B
Rationale: Applicants must complete a 40-hour TCEQ-accredited training
course before they can apply for the licensing exam.
12. An Irrigation Technician can alter an irrigation system design without
approval.
A. True
B. False
Correct Answer: B
Rationale: An Irrigation Technician is not authorized to alter an irrigation design
on their own; they must receive approval from the licensed irrigator who
supervises them.
13. Which of the following activities is NOT listed as an exemption from licensing
requirements?
A. A plumber working on the water supply line
B. An engineer designing a system
C. A landscape architect designing a system
D. A homeowner installing their own irrigation system
Correct Answer: D
Rationale: While licensed professionals like plumbers, engineers, and landscape
architects may be exempt when working within their licensed scope, a homeowner
performing installation is not listed under the standard exemptions. Exemptions
generally apply to licensed professionals acting in their professional capacity.
14. How much time does TCEQ typically take to process an application after it is
received?
A. 1-2 weeks
B. 3-4 weeks
C. 6-8 weeks
D. 2-3 months
Correct Answer: B
Rationale: The TCEQ states that processing an application, barring any
deficiencies, takes approximately 3 to 4 weeks.
15. What is the renewal fee for a Texas Irrigator license?
ACTUAL QUESTIONS AND CORRECT ANSWERS
WITH RATIONALE LATEST UPDATE
This comprehensive set of 300 questions and answers covers the essential
concepts for the Texas Irrigator License Exam, administered by the TCEQ.
The material thoroughly examines licensure requirements including the 40-
hour training course, application process, license types (Landscape Irrigator,
Technician, Inspector), renewal requirements, and continuing education.
Technical topics include hydraulics, pipe sizing, friction loss, precipitation
rates, distribution uniformity, and system design principles. The questions
also cover backflow prevention methods including AVB, PVB, RPZ, DCVA,
and air gaps, along with irrigation components such as controllers, valves,
pumps, sprinkler heads, and drip systems. Additionally, the content explores
water conservation, xeriscaping, smart controllers, and TCEQ regulations for
protecting potable water supplies.
1. Which agency in Texas is responsible for licensing irrigators?
A. Texas Department of Agriculture
B. Texas Commission on Environmental Quality
C. Texas Water Development Board
D. Texas Board of Irrigators
Correct Answer: B
Rationale: The Texas Commission on Environmental Quality (TCEQ) is the
state agency responsible for licensing landscape irrigators, irrigation technicians,
and irrigation inspectors in Texas.
2. What is the minimum passing score required for each section of the Texas
Irrigator License Exam?
A. 60%
B. 70%
C. 75%
D. 80%
Correct Answer: B
Rationale: To pass the Texas Irrigator License Exam, a candidate must achieve a
minimum score of 70% on each section of the examination.
,3. Which license type allows a person to design, install, maintain, and connect an
irrigation system to any water supply?
A. Irrigation Technician
B. Irrigation Inspector
C. Landscape Irrigator
D. Plumber
Correct Answer: C
Rationale: A Landscape Irrigator license provides the broadest scope of practice,
allowing the licensee to sell, design, consult, install, maintain, alter, repair, or
service an irrigation system and connect it to any water supply.
4. What is the role of an Irrigation Technician under Texas law?
A. To inspect systems for compliance and investigate complaints
B. To connect an irrigation system under the supervision of a licensed irrigator
C. To design irrigation systems for commercial properties
D. To issue permits for new irrigation installations
Correct Answer: B
Rationale: An Irrigation Technician is licensed to connect a landscape irrigation
system to a water supply, install backflow prevention devices, and perform
maintenance and repairs, but these activities must be under the supervision of a
licensed irrigator.
5. How long is a Texas Irrigator license valid before renewal is required?
A. 1 year
B. 2 years
C. 3 years
D. 5 years
Correct Answer: C
Rationale: A Texas Irrigator license must be renewed every three years to
remain valid.
6. How many continuing education units (CEUs) are required to renew a Texas
Irrigator license?
A. 8 hours
B. 16 hours
C. 24 hours
D. 32 hours
Correct Answer: C
, Rationale: License renewal requires the completion of 24 hours of continuing
education units (CEUs).
7. What is the fee to apply for an initial Texas Irrigator license?
A. $50
B. $75
C. $111
D. $120
Correct Answer: C
Rationale: The application fee for a Texas Irrigator license is $111.
8. What is the time limit for the Texas Landscape Irrigator computer-based exam?
A. 3 hours
B. 4 hours
C. 5 hours
D. 6 hours
Correct Answer: D
Rationale: The Texas Landscape Irrigator exam has a six-hour time limit due to
its length and complexity.
9. How many members serve on the Texas Irrigator Advisory Council?
A. 5
B. 7
C. 9
D. 11
Correct Answer: C
Rationale: The Irrigator Advisory Council (IAC) is made up of nine members
who advise the TCEQ on matters related to irrigation.
10. Who appoints the members of the Texas Irrigator Advisory Council?
A. The Governor of Texas
B. The Texas Legislature
C. The Texas Commission on Environmental Quality
D. The Department of Agriculture
Correct Answer: C
Rationale: The members of the Irrigator Advisory Council are appointed by the
Texas Commission on Environmental Quality.
11. What is the minimum required training before applying for the Texas Irrigator
License Exam?
, A. 20-hour course
B. 40-hour course
C. 60-hour course
D. 80-hour course
Correct Answer: B
Rationale: Applicants must complete a 40-hour TCEQ-accredited training
course before they can apply for the licensing exam.
12. An Irrigation Technician can alter an irrigation system design without
approval.
A. True
B. False
Correct Answer: B
Rationale: An Irrigation Technician is not authorized to alter an irrigation design
on their own; they must receive approval from the licensed irrigator who
supervises them.
13. Which of the following activities is NOT listed as an exemption from licensing
requirements?
A. A plumber working on the water supply line
B. An engineer designing a system
C. A landscape architect designing a system
D. A homeowner installing their own irrigation system
Correct Answer: D
Rationale: While licensed professionals like plumbers, engineers, and landscape
architects may be exempt when working within their licensed scope, a homeowner
performing installation is not listed under the standard exemptions. Exemptions
generally apply to licensed professionals acting in their professional capacity.
14. How much time does TCEQ typically take to process an application after it is
received?
A. 1-2 weeks
B. 3-4 weeks
C. 6-8 weeks
D. 2-3 months
Correct Answer: B
Rationale: The TCEQ states that processing an application, barring any
deficiencies, takes approximately 3 to 4 weeks.
15. What is the renewal fee for a Texas Irrigator license?
