CLASS D WATER OPERATOR
LICENSE EXAM TCEQ EXAM
QUESTIONS AND ANSWERS
T/F: In Texas, about 75% of all water is used for commercial, industrial, or agricultural
purposes. -ANSTrue
Water covers approximately ________ of Earth's surface. -ANS71%
Drought is an extended period when a region receives a deficiency in its ________
water supply. -ANSatmospheric, ground, or surface
T/F: Only about 1 gallon of tap water per person/day is used for drinking and cooking -
ANSTrue
Excluding outside water use, the average household uses about _______ gallons of
water per month for inside use -ANS2,000
T/F: Only 3% of all the fresh water on earth can be easily accessed for use. -ANSFalse
(only 1%)
T/F: In 1978, the Texas Department of Health (TDH) assumed primacy over the Safe
Drinking Water Act from the EPA. -ANSTrue
T/F: PWS officials should be pro-active in their approach to terrorism. -ANSTrue
_________ 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. -ANSRule of Capture
In Texas, agricultural water demand accounts for about ___% of the total water used. -
ANS57%
T/F: An example of a non-transient non-community PWS is a rural school. -ANSTrue
Monitoring average and maximum daily water ______ enables us to plan ahead for
growth. -ANSDemand
T/F: The Safe Drinking Water Act sets standards for drinking water including physical,
chemical, bacteriological, and radiological characteristics. -ANSTrue
, "Potable" means water is safe to drink and has a measurable chlorine ________. -
ANSResidual
The plant operator is responsible for a sufficient supply of safe and ________ drinking
water. -ANSPalatable
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. -ANSFalse (130 gals per person per day)
T/F: The primary state regulator of water utilities is the TCEQ. -ANSTrue
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. -ANSTrue
Meter readers bring in operating revenue and profoundly impact _____ relations. -
ANSPublic
The federal regulator of drinking water is the _____. -ANSEPA
T/F: Duties of distribution operator include repairing leaks, making taps, flushing mains,
and taking radiological samples. -ANSFalse (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? -ANS3,000 (multiply connections x 3)
T/F: The State must be notified after an existing facility is changed or after construction
of a new facility. -ANSFalse (must notify *before*)
T/F: A Class "D" license is valid for 2 years at ground and purchase water systems with
250 connections or less. -ANSFalse (3 years)
T/F: The physical characteristics of water are color, taste, odor, temperature, and
turbidity. -ANSTrue
An alkaline or basic solution has a pH greater than ____. -ANS7
T/F: The terms mg/L and ppm are not interchangeable. -ANSFalse (they are
interchangeable)
Suspended solids in water cannot be filtered out. -ANSFalse (they can)
Solids, water hardness, pH and gases are ____ characteristics. -ANSChemical
T/F: There are 2 hydrogen atoms and 1 oxygen atom in each water molecule. -ANSTrue
LICENSE EXAM TCEQ EXAM
QUESTIONS AND ANSWERS
T/F: In Texas, about 75% of all water is used for commercial, industrial, or agricultural
purposes. -ANSTrue
Water covers approximately ________ of Earth's surface. -ANS71%
Drought is an extended period when a region receives a deficiency in its ________
water supply. -ANSatmospheric, ground, or surface
T/F: Only about 1 gallon of tap water per person/day is used for drinking and cooking -
ANSTrue
Excluding outside water use, the average household uses about _______ gallons of
water per month for inside use -ANS2,000
T/F: Only 3% of all the fresh water on earth can be easily accessed for use. -ANSFalse
(only 1%)
T/F: In 1978, the Texas Department of Health (TDH) assumed primacy over the Safe
Drinking Water Act from the EPA. -ANSTrue
T/F: PWS officials should be pro-active in their approach to terrorism. -ANSTrue
_________ 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. -ANSRule of Capture
In Texas, agricultural water demand accounts for about ___% of the total water used. -
ANS57%
T/F: An example of a non-transient non-community PWS is a rural school. -ANSTrue
Monitoring average and maximum daily water ______ enables us to plan ahead for
growth. -ANSDemand
T/F: The Safe Drinking Water Act sets standards for drinking water including physical,
chemical, bacteriological, and radiological characteristics. -ANSTrue
, "Potable" means water is safe to drink and has a measurable chlorine ________. -
ANSResidual
The plant operator is responsible for a sufficient supply of safe and ________ drinking
water. -ANSPalatable
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. -ANSFalse (130 gals per person per day)
T/F: The primary state regulator of water utilities is the TCEQ. -ANSTrue
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. -ANSTrue
Meter readers bring in operating revenue and profoundly impact _____ relations. -
ANSPublic
The federal regulator of drinking water is the _____. -ANSEPA
T/F: Duties of distribution operator include repairing leaks, making taps, flushing mains,
and taking radiological samples. -ANSFalse (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? -ANS3,000 (multiply connections x 3)
T/F: The State must be notified after an existing facility is changed or after construction
of a new facility. -ANSFalse (must notify *before*)
T/F: A Class "D" license is valid for 2 years at ground and purchase water systems with
250 connections or less. -ANSFalse (3 years)
T/F: The physical characteristics of water are color, taste, odor, temperature, and
turbidity. -ANSTrue
An alkaline or basic solution has a pH greater than ____. -ANS7
T/F: The terms mg/L and ppm are not interchangeable. -ANSFalse (they are
interchangeable)
Suspended solids in water cannot be filtered out. -ANSFalse (they can)
Solids, water hardness, pH and gases are ____ characteristics. -ANSChemical
T/F: There are 2 hydrogen atoms and 1 oxygen atom in each water molecule. -ANSTrue
