TEXAS LANDSCAPE IRRIGATOR LICENSE - COMPLETE PRACTICE EXAM 2026

TEXAS LANDSCAPE IRRIGATOR
LICENSE - COMPLETE PRACTICE
EXAM 2026



This exam consists of 110 questions. Select the best answer for each
question. The answer key and rationales are provided at the end.




Domain 1: Regulations, Licensing, and Safety (Questions 1-20)

1. A homeowner asks you to connect their new irrigation system to a
water well on their property in an unincorporated area of Texas. As a
licensed Landscape Irrigator, you:

 A) Cannot connect to any private water well under any
circumstances.

 B) May connect to the well, but only if you are also a licensed well
driller.

 C) May connect the system to the well, as your license allows
connection to private or public, raw or potable water supplies.

,  D) Must first install a reduced pressure zone (RPZ) backflow
preventer on the well head.

2. All contracts for the installation of an irrigation system must be in
writing and signed by both parties. Which of the following is NOT a
required element on the contract?

 A) The irrigator's seal, signature, and date.

 B) The total agreed price and the date each party signed.

 C) A statement about TCEQ's role in regulating irrigation in
Texas.

 D) A detailed warranty covering all sprinkler heads for five years.

3. Under Texas law, who is ultimately responsible for obtaining the
required permit before installing an irrigation system?

 A) The homeowner/property owner.

 B) The licensed landscape irrigator.

 C) The licensed irrigation technician.

 D) The general contractor for the property.

4. A licensed Landscape Irrigator has not practiced irrigation for two
years and lets their license expire. To become licensed again, they
must:

 A) Only pay the renewal fee and a late penalty.

 B) Complete 24 hours of continuing education (CE) and submit a
renewal application.

,  C) Re-apply and pass the entire licensing examination again.

 D) Submit a letter explaining the lapse in practice and pay a
reinstatement fee.

5. You are installing a new system and the plans call for a mainline to
be placed 18 inches from the foundation of a house. According to
Texas rules, this is:

 A) Not permitted; the minimum separation is 24 inches.

 B) Permitted, as the required minimum separation is 12 inches.

 C) Permitted only if the pipe is Schedule 80 PVC.

 D) Not permitted; irrigation piping cannot be within 36 inches of
a foundation.

6. An Irrigation Technician is working under the direct supervision of a
licensed Landscape Irrigator. Which of the following tasks is the
Technician NOT permitted to do on their own?

 A) Install a pre-assembled valve manifold.

 B) Lay and glue PVC lateral piping in a trench.

 C) Connect the irrigation system's mainline to the water supply at
the point of connection.

 D) Replace a broken sprinkler head with an identical model.

7. What is the minimum passing score required for each section of the
TCEQ Landscape Irrigator licensing exam?

 A) 60%

,  B) 70%

 C) 75%

 D) 80%

8. How often must a Landscape Irrigator license be renewed, and how
many continuing education (CE) hours are required?

 A) Every 2 years / 16 hours

 B) Every 3 years / 16 hours

 C) Every 3 years / 24 hours

 D) Every 5 years / 24 hours

9. A customer hands you a written contract for a $15,000 irrigation
installation that they have already signed. They ask you to sign it and
begin work. You notice the contract does not have your license number
or the TCEQ statement on it. You should:

 A) Sign the contract as-is, as the homeowner provided it.

 B) Refuse to sign and explain that the contract must be amended
to include your license number and the TCEQ statement before
you can sign it.

 C) Sign the contract and write your license number in the margin.

 D) Verbally agree to the terms and begin work, as the written
contract is not required for jobs over $10,000.

10. What is the minimum depth for burying irrigation piping in a non-
traffic area of a residential landscape in Texas?