TCEQ WASTEWATER CLASS D
LICENSE PRACTICE SET 2026
TESTED QUESTIONS AND CORRECT
SOLUTIONS
◉ Water covers approximately ________ of Earth's surface. Answer:
71%
◉ Drought is an extended period when a region receives a deficiency in
its ________ water supply. Answer: atmospheric, ground, or surface
◉ T/F: Only about 1 gallon of tap water per person/day is used for
drinking and cooking Answer: True
◉ Excluding outside water use, the average household uses about
_______ gallons of water per month for inside use Answer: 2,000
◉ T/F: Only 3% of all the fresh water on earth can be easily accessed for
use. Answer: False (only 1%)
◉ T/F: In 1978, the Texas Department of Health (TDH) assumed
primacy over the Safe Drinking Water Act from the EPA. Answer: True
,◉ T/F: PWS officials should be pro-active in their approach to
terrorism. Answer: True
◉ _________ permits the owner of a well to pump as much water as
desired, even if the water is drained from beneath the land of others.
Answer: Rule of Capture
◉ In Texas, agricultural water demand accounts for about ___% of the
total water used. Answer: 57%
◉ T/F: An example of a non-transient non-community PWS is a rural
school. Answer: True
◉ Monitoring average and maximum daily water ______ enables us to
plan ahead for growth. Answer: Demand
◉ T/F: The Safe Drinking Water Act sets standards for drinking water
including physical, chemical, bacteriological, and radiological
characteristics. Answer: True
◉ "Potable" means water is safe to drink and has a measurable chlorine
________. Answer: Residual
◉ The plant operator is responsible for a sufficient supply of safe and
________ drinking water. Answer: Palatable
, ◉ T/F: The Texas State Board of Fire Insurance requires utilities that
provide fire protection to have a minimum amount of water available
based on 30 gals per person per day. Answer: False (130 gals per person
per day)
◉ T/F: The primary state regulator of water utilities is the TCEQ.
Answer: True
◉ T/F: All community and non-transient non-community PWS,
regardless of source of water, must be under the supervision of a
licensed water works operator. Answer: True
◉ Meter readers bring in operating revenue and profoundly impact
_____ relations. Answer: Public
◉ The federal regulator of drinking water is the _____. Answer: EPA
◉ T/F: Duties of distribution operator include repairing leaks, making
taps, flushing mains, and taking radiological samples. Answer: False
(Repair leaks, Make taps, Flush mains, Operate pumps, Take
*bacteriological* samples)
◉ A service area has 1000 service connections. What can we estimate
the population of this service area to be? Answer: 3,000 (multiply
connections x 3)
LICENSE PRACTICE SET 2026
TESTED QUESTIONS AND CORRECT
SOLUTIONS
◉ Water covers approximately ________ of Earth's surface. Answer:
71%
◉ Drought is an extended period when a region receives a deficiency in
its ________ water supply. Answer: atmospheric, ground, or surface
◉ T/F: Only about 1 gallon of tap water per person/day is used for
drinking and cooking Answer: True
◉ Excluding outside water use, the average household uses about
_______ gallons of water per month for inside use Answer: 2,000
◉ T/F: Only 3% of all the fresh water on earth can be easily accessed for
use. Answer: False (only 1%)
◉ T/F: In 1978, the Texas Department of Health (TDH) assumed
primacy over the Safe Drinking Water Act from the EPA. Answer: True
,◉ T/F: PWS officials should be pro-active in their approach to
terrorism. Answer: True
◉ _________ permits the owner of a well to pump as much water as
desired, even if the water is drained from beneath the land of others.
Answer: Rule of Capture
◉ In Texas, agricultural water demand accounts for about ___% of the
total water used. Answer: 57%
◉ T/F: An example of a non-transient non-community PWS is a rural
school. Answer: True
◉ Monitoring average and maximum daily water ______ enables us to
plan ahead for growth. Answer: Demand
◉ T/F: The Safe Drinking Water Act sets standards for drinking water
including physical, chemical, bacteriological, and radiological
characteristics. Answer: True
◉ "Potable" means water is safe to drink and has a measurable chlorine
________. Answer: Residual
◉ The plant operator is responsible for a sufficient supply of safe and
________ drinking water. Answer: Palatable
, ◉ T/F: The Texas State Board of Fire Insurance requires utilities that
provide fire protection to have a minimum amount of water available
based on 30 gals per person per day. Answer: False (130 gals per person
per day)
◉ T/F: The primary state regulator of water utilities is the TCEQ.
Answer: True
◉ T/F: All community and non-transient non-community PWS,
regardless of source of water, must be under the supervision of a
licensed water works operator. Answer: True
◉ Meter readers bring in operating revenue and profoundly impact
_____ relations. Answer: Public
◉ The federal regulator of drinking water is the _____. Answer: EPA
◉ T/F: Duties of distribution operator include repairing leaks, making
taps, flushing mains, and taking radiological samples. Answer: False
(Repair leaks, Make taps, Flush mains, Operate pumps, Take
*bacteriological* samples)
◉ A service area has 1000 service connections. What can we estimate
the population of this service area to be? Answer: 3,000 (multiply
connections x 3)
