10/22/25, 8:45 AM TCEQ Class D Water Operators License COMPLETE (2025) EXAM Questions and Answers (Verified Answers) ||ACTUAL EXAM …
TCEQ Class D Water Operators License
COMPLETE (2025) EXAM Questions and Answers
(Verified Answers) ||ACTUAL EXAM 2025 TEST!!
Graded A+ | 2025|2026 EXAM UPDATE
Save
Terms in this set (48)
Water Covers _______ of the 75%
earth's Surface
Humans can only live 4-5 Days
________ days without water
Maximum Daily Demand From monthly operating reports or by multiplying 2.4
can be determined times the average daily demand on the system.
Utilities that provide fire protection have to have a
130
minimum of ____ Gallons per person per day
Commercial, Industrial, and Agricultural Use makes up
75%
_____ % in Texas
Agricultural use accounts for _____% of total water
57%
consumed in Texas
_____% of the total volume of water available is
97%
saltwater
3% of total volume of water available is considered
1% fresh water. 2% is locked in polar icecaps and glaciers.
____% of all water on earth is accessible fresh water.
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, 10/22/25, 8:45 AM TCEQ Class D Water Operators License COMPLETE (2025) EXAM Questions and Answers (Verified Answers) ||ACTUAL EXAM …
Electrochemical separation process in which saline
Electrodialysis Reversal
water passes through alternately placed cations and
(EDR)
anion membranes.
A desalinization process that involves forcing salt-
reverse osmosis water through a membrane permeable to water but
not to salt
Excluding outside use, the average household uses
2000
about _____ gallons of water per month on inside use
True or False: only about 1 gallon of tap water per
True
person/day is used for drinking and cooking
Monitoring average and maximum daily water _____
demand
enables us to plan ahead for growth.
potable suitable for drinking
The federal regulation of drinking water is done by
the U.S. Environmental Protection Agency (EPA),
Safe Drinking Water Act
which sets the drinking water quality standards and
(1974)
enforces this standards through a federal law known
as the
Providing the public water for human consumption
Public Water System
through pipes or other constructed conveyances
1. Have at least 15 service connections or
Requirements of a public
2. Serve at least 25 individuals at least 60 days out of
water system
the year.
System has potential to serve at least 15 residential
Community service connections on a year-round basis or serve at
least 25 full time residents on a year round basis.
System serves at least 25 of the SAME people who do
nontransient
not live at that location at least 6 months out of the
noncommunity
year.
Public water system serves at least 25 persons of a
Transient non-community
transient nature at least 60 days out of the year.
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TCEQ Class D Water Operators License
COMPLETE (2025) EXAM Questions and Answers
(Verified Answers) ||ACTUAL EXAM 2025 TEST!!
Graded A+ | 2025|2026 EXAM UPDATE
Save
Terms in this set (48)
Water Covers _______ of the 75%
earth's Surface
Humans can only live 4-5 Days
________ days without water
Maximum Daily Demand From monthly operating reports or by multiplying 2.4
can be determined times the average daily demand on the system.
Utilities that provide fire protection have to have a
130
minimum of ____ Gallons per person per day
Commercial, Industrial, and Agricultural Use makes up
75%
_____ % in Texas
Agricultural use accounts for _____% of total water
57%
consumed in Texas
_____% of the total volume of water available is
97%
saltwater
3% of total volume of water available is considered
1% fresh water. 2% is locked in polar icecaps and glaciers.
____% of all water on earth is accessible fresh water.
https://quizlet.com/1096691328/tceq-class-d-water-operators-license-complete-2025-exam-questions-and-answers-verified-answers-actual-exam-202… 1/5
, 10/22/25, 8:45 AM TCEQ Class D Water Operators License COMPLETE (2025) EXAM Questions and Answers (Verified Answers) ||ACTUAL EXAM …
Electrochemical separation process in which saline
Electrodialysis Reversal
water passes through alternately placed cations and
(EDR)
anion membranes.
A desalinization process that involves forcing salt-
reverse osmosis water through a membrane permeable to water but
not to salt
Excluding outside use, the average household uses
2000
about _____ gallons of water per month on inside use
True or False: only about 1 gallon of tap water per
True
person/day is used for drinking and cooking
Monitoring average and maximum daily water _____
demand
enables us to plan ahead for growth.
potable suitable for drinking
The federal regulation of drinking water is done by
the U.S. Environmental Protection Agency (EPA),
Safe Drinking Water Act
which sets the drinking water quality standards and
(1974)
enforces this standards through a federal law known
as the
Providing the public water for human consumption
Public Water System
through pipes or other constructed conveyances
1. Have at least 15 service connections or
Requirements of a public
2. Serve at least 25 individuals at least 60 days out of
water system
the year.
System has potential to serve at least 15 residential
Community service connections on a year-round basis or serve at
least 25 full time residents on a year round basis.
System serves at least 25 of the SAME people who do
nontransient
not live at that location at least 6 months out of the
noncommunity
year.
Public water system serves at least 25 persons of a
Transient non-community
transient nature at least 60 days out of the year.
https://quizlet.com/1096691328/tceq-class-d-water-operators-license-complete-2025-exam-questions-and-answers-verified-answers-actual-exam-202… 2/5
