TEXAS IRRIGATOR LICENSE EXAM WITH 350
ACTUAL EXAM QUESTIONS AND CORRECT
VERIFIED ANSWERS (100% CORRECT ANSWERS) /
TCEQ IRRIGATOR LICENSE EXAM 2025-2026 MOST
TEST QUESTIONS COVERED
✅ Key Features:
350 Actual Exam Questions with Correct Answers
Verified, accurate, and updated for 2025-2026
Covers TCEQ irrigation rules, hydraulics, backflow prevention,
water conservation, system design, and safety standards
Structured to mirror the official Texas Irrigator License Exam
format
Ensures confidence for a first-attempt pass with
comprehensive coverage
📘 Best For:
Professionals preparing for the Texas TCEQ Irrigator License
Exam
Individuals seeking advanced knowledge of irrigation
installation, design, and compliance regulations
Contractors, technicians, and landscaping professionals aiming
for state licensure and career advancement
Domestic or municipal wastewater which has been treated to a quality suitable for beneficial use,
such as landscape irrigation, is called:
a. reused water
b. contaminated water
c. potable water
d. reclaimed water or recycled water - CORRECT ANSWER-d. reclaimed water or recalled water
,A drawing of an installed irrigation system showing major component is:
a. called a record drawing or as-built plan
b. a corrected document for city use
c. an irrigation documentation
d. is required by all cities - CORRECT ANSWER-a. called a record drawing or as-built plan
The process of calculating and managing the time and amount of water to apply to the landscape is
referred to as:
a. management
b. application
c. scheduling
d. programming - CORRECT ANSWER-c. scheduling
A swing joint is used:
a. to help negotiate a curve in the trench
b. for above ground applications
c. to prevent damage to the head
d. only in commercial applications - CORRECT ANSWER-c. to prevent damage to the head
Xeriscaping:
a. promotes water conservation
b. utilizes mulching & efficient irrigation
c. is only applicable is desert regions
d. A & C
e. A & B - CORRECT ANSWER-e. A & B
Heads that have valves incorporated within them are referred to as:
a. hydraulic valves
b. valve-in-heads
c. ball driven heads
,d. turf heads
e. golf heads - CORRECT ANSWER-b. valve-in-heads
The slow application of water directly to the root zone using low pressure is considered:
a. spray heads
b. drip irrigation
c. bubblers
d. micro-sprays
e. rotary heads - CORRECT ANSWER-b. drip irrigation
Which device is used to keep debris from being sucked into the line?
a. flush valve
b. pressure regulator
c. air relief valve
d. filter - CORRECT ANSWER-air relief valve
A value that allows water to travel in only one direction is called a:
a. remote control valve
b. drain valve
c. electrical valve
d. check valve
e. hydraulic valve - CORRECT ANSWER-d. check valve
What type of valve would be installed to offer water to a remote location?
a. ball valve
b. drain valve
c. electrical valve
d. check valve
e. quick-coupler valve - CORRECT ANSWER-e. quick coupler valve
Which of the following is not part of the definition of an irrigation system?
, a. irrigate landscape vegetation
b. temporary installation
c. dust reduction
d. erosion controll - CORRECT ANSWER-b. temporary installation
What is caused by a negative or sub-atmospheric pressure? - CORRECT ANSWER-Backsiphonage
What occurs when the pressure in the sprinkler system becomes greater than the supply side? -
CORRECT ANSWER-Backpressure
Atmospheric Vacuum Breaker is approved for Texas?
a. True
b. False - CORRECT ANSWER-B. False
An atmospheric vacuum breaker:
a. will stop backpressure
b. has to be installed 6" higher than the highest head or outlet in the retracted position
c. will stop backsiphonage
d. will handle constant pressure
e. B & C - CORRECT ANSWER-e. B & C
What is the unwanted reversal of water flow in an irrigation system?
a. backpressure
b. contamination
c. pollution
d. back flow - CORRECT ANSWER-d. back flow
A cross connection is any actual or potential connection between a potable water supply and:
a. a well
b. a chemical plant
c. a pump station
ACTUAL EXAM QUESTIONS AND CORRECT
VERIFIED ANSWERS (100% CORRECT ANSWERS) /
TCEQ IRRIGATOR LICENSE EXAM 2025-2026 MOST
TEST QUESTIONS COVERED
✅ Key Features:
350 Actual Exam Questions with Correct Answers
Verified, accurate, and updated for 2025-2026
Covers TCEQ irrigation rules, hydraulics, backflow prevention,
water conservation, system design, and safety standards
Structured to mirror the official Texas Irrigator License Exam
format
Ensures confidence for a first-attempt pass with
comprehensive coverage
📘 Best For:
Professionals preparing for the Texas TCEQ Irrigator License
Exam
Individuals seeking advanced knowledge of irrigation
installation, design, and compliance regulations
Contractors, technicians, and landscaping professionals aiming
for state licensure and career advancement
Domestic or municipal wastewater which has been treated to a quality suitable for beneficial use,
such as landscape irrigation, is called:
a. reused water
b. contaminated water
c. potable water
d. reclaimed water or recycled water - CORRECT ANSWER-d. reclaimed water or recalled water
,A drawing of an installed irrigation system showing major component is:
a. called a record drawing or as-built plan
b. a corrected document for city use
c. an irrigation documentation
d. is required by all cities - CORRECT ANSWER-a. called a record drawing or as-built plan
The process of calculating and managing the time and amount of water to apply to the landscape is
referred to as:
a. management
b. application
c. scheduling
d. programming - CORRECT ANSWER-c. scheduling
A swing joint is used:
a. to help negotiate a curve in the trench
b. for above ground applications
c. to prevent damage to the head
d. only in commercial applications - CORRECT ANSWER-c. to prevent damage to the head
Xeriscaping:
a. promotes water conservation
b. utilizes mulching & efficient irrigation
c. is only applicable is desert regions
d. A & C
e. A & B - CORRECT ANSWER-e. A & B
Heads that have valves incorporated within them are referred to as:
a. hydraulic valves
b. valve-in-heads
c. ball driven heads
,d. turf heads
e. golf heads - CORRECT ANSWER-b. valve-in-heads
The slow application of water directly to the root zone using low pressure is considered:
a. spray heads
b. drip irrigation
c. bubblers
d. micro-sprays
e. rotary heads - CORRECT ANSWER-b. drip irrigation
Which device is used to keep debris from being sucked into the line?
a. flush valve
b. pressure regulator
c. air relief valve
d. filter - CORRECT ANSWER-air relief valve
A value that allows water to travel in only one direction is called a:
a. remote control valve
b. drain valve
c. electrical valve
d. check valve
e. hydraulic valve - CORRECT ANSWER-d. check valve
What type of valve would be installed to offer water to a remote location?
a. ball valve
b. drain valve
c. electrical valve
d. check valve
e. quick-coupler valve - CORRECT ANSWER-e. quick coupler valve
Which of the following is not part of the definition of an irrigation system?
, a. irrigate landscape vegetation
b. temporary installation
c. dust reduction
d. erosion controll - CORRECT ANSWER-b. temporary installation
What is caused by a negative or sub-atmospheric pressure? - CORRECT ANSWER-Backsiphonage
What occurs when the pressure in the sprinkler system becomes greater than the supply side? -
CORRECT ANSWER-Backpressure
Atmospheric Vacuum Breaker is approved for Texas?
a. True
b. False - CORRECT ANSWER-B. False
An atmospheric vacuum breaker:
a. will stop backpressure
b. has to be installed 6" higher than the highest head or outlet in the retracted position
c. will stop backsiphonage
d. will handle constant pressure
e. B & C - CORRECT ANSWER-e. B & C
What is the unwanted reversal of water flow in an irrigation system?
a. backpressure
b. contamination
c. pollution
d. back flow - CORRECT ANSWER-d. back flow
A cross connection is any actual or potential connection between a potable water supply and:
a. a well
b. a chemical plant
c. a pump station
