TCEQ Surface Water B License Exam
2026 Questions and Answers
When pressure testing a new line, how much pressure do you add? - Correct
answer-1.5 times normal pressure, up to 150 pounds, whichever is greater
What would cause a repeat Bac-T sample? - Correct answer-Incomplete form, not
enough sample, silt or slime in the bottle, positive e-coli, all of the above
What are the layers of stratification? - Correct answer-Upper layer - Epilimnion.
Middle layer - Thermocline. Bottom Layer - Hypolimnion.
What standard must bleach meet? - Correct answer-NSF (National Sanitation
Foundation)
What is the Solid contact unit? - Correct answer-Also known as a Sludge blanket
unit, it is an all-in-one unit, handling mixing, flocculation and sedimentation, with
an upward flow.
What is the number one sludge removal process in Texas? - Correct answer-
Lagooning/Lagoons.
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, What are the Log removals for cryptosporidium, giardia and viruses? - Correct
answer-Cryptosporidium - Log 2, 99%. Giardia - Log 3, 99.9%. Viruses - Log 4,
99.99%.
Which two filter membranes remove the most NTUs? - Correct answer-RO
(Reverse Osmosis), and Nano Filtration
What are lime and soda ash used for removing? - Correct answer-Hardness
What purpose does aeration serve in the softening process? - Correct answer-
Releases CO2 which helps keep hardness in solution.
What is the Jar Test Process? - Correct answer-Unknown
What can replace primary coagulation? - Correct answer-Cationic polymers.
What tells you that the chloramine ratio is off? - Correct answer-The presence of di
and tri chloramines, and excessive free ammonia.
What is the Right to Know law? - Correct answer-Typically included in the MSDS.
The law includes employers providing information, training and PPE for various
chemicals worker may be exposed to.
What is the action level for Lead and Copper in the Lead and Copper Rule? -
Correct answer-0.015 mg/L for Lead, 1.3 mg/L for Copper
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
2026 Questions and Answers
When pressure testing a new line, how much pressure do you add? - Correct
answer-1.5 times normal pressure, up to 150 pounds, whichever is greater
What would cause a repeat Bac-T sample? - Correct answer-Incomplete form, not
enough sample, silt or slime in the bottle, positive e-coli, all of the above
What are the layers of stratification? - Correct answer-Upper layer - Epilimnion.
Middle layer - Thermocline. Bottom Layer - Hypolimnion.
What standard must bleach meet? - Correct answer-NSF (National Sanitation
Foundation)
What is the Solid contact unit? - Correct answer-Also known as a Sludge blanket
unit, it is an all-in-one unit, handling mixing, flocculation and sedimentation, with
an upward flow.
What is the number one sludge removal process in Texas? - Correct answer-
Lagooning/Lagoons.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, What are the Log removals for cryptosporidium, giardia and viruses? - Correct
answer-Cryptosporidium - Log 2, 99%. Giardia - Log 3, 99.9%. Viruses - Log 4,
99.99%.
Which two filter membranes remove the most NTUs? - Correct answer-RO
(Reverse Osmosis), and Nano Filtration
What are lime and soda ash used for removing? - Correct answer-Hardness
What purpose does aeration serve in the softening process? - Correct answer-
Releases CO2 which helps keep hardness in solution.
What is the Jar Test Process? - Correct answer-Unknown
What can replace primary coagulation? - Correct answer-Cationic polymers.
What tells you that the chloramine ratio is off? - Correct answer-The presence of di
and tri chloramines, and excessive free ammonia.
What is the Right to Know law? - Correct answer-Typically included in the MSDS.
The law includes employers providing information, training and PPE for various
chemicals worker may be exposed to.
What is the action level for Lead and Copper in the Lead and Copper Rule? -
Correct answer-0.015 mg/L for Lead, 1.3 mg/L for Copper
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
