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Class D Water Operator License Exam TCEQ
T/F: In Texas, about 75% of all water is used for
commercial, industrial, or agricultural purposes. -
.....ANSWER ...✔✔ True
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
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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
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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
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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)
Class D Water Operator License Exam TCEQ
T/F: In Texas, about 75% of all water is used for
commercial, industrial, or agricultural purposes. -
.....ANSWER ...✔✔ True
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
,2|Page
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
,3|Page
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
, 4|Page
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)
