TX CLASS C WASTEWATER TREATMENT LICENSE NEW STUDY SET
WITH 100% VERIFIED SOLUTIONS 2026-2027!!
Preliminary Treatment - ANSWER the 1st stage of sewage treatment where large
debris, such as sticks, grit, and rags pas through a screen followed by a grit
chamber, where the flow of water is slowed enough to allow for sedimentation.
What stage of treatment is grit removal usually accomplished in? - ANSWER
preliminary treatment
Rotating Biological Contactor - ANSWER a type of biological secondary treatment
process
How are protozoa (cause of amoebic dysentery) destroyed? - ANSWER
disinfection
Other than stream discharge, what are other ways to dispose of effluent
wastewater? - ANSWER aquifer recharge, evaporation in a pond, and application
to farm land by irrigation
Clean Water Act - ANSWER gives the basic structure for regulating discharges of
pollutants into the waters of the United States
Texas Water Code - ANSWER gives the TCEQ jurisdiction over discharges of
waste into or adjacent to water in the state
Who reviews plans and specifications for new construction projects before
construction begins? - ANSWER TCEQ
Water quality fees may be as high as ____________ per permit? - ANSWER
$115,000
Administrative penalties, up to __________ per day for each violation, may be
assessed against any violator. - ANSWER $25,000
Every city with more than ________ in population needs to establish a water
pollution control program and hire qualified personnel to administer it. - ANSWER
10,000
State law requires that reports are to be submitted no later than the ________th
day of the following month. - ANSWER 20
What are major surface waters classified as for the purposes of water quality
management and designation of site-specific standards? - ANSWER segments
, Inflow - ANSWER direct discharges of storm water or surface water into a
wastewater collection system (storm drains, roof gutters, yard drains, basement
sump pumps and broken manholes and wastewater lines).
How many gallons per day will each person contribute to the wastewater
treatment plant? - ANSWER 100
How much BOD will each person contribute to the wastewater treatment plant
each day? - ANSWER 0.17
Cause of septic wastewater - ANSWER bacterial action
Classifications of solids in wastewater - ANSWER fixed/ash,
suspended/dissolved, organic/inorganic
Organic compounds in wastewater include - ANSWER carbon, hydrogen and
oxygen (animal and vegetable in nature)
Type of organic matter present in wastewater - ANSWER proteins
BOD is a measure of what? - ANSWER oxygen used up
Ways that oxygen can be depleted in streams - ANSWER untreated waste
discharges, algae masses at night, and high BOD in the effluent
A gas found in treatment systems that is NOT dangerous - ANSWER dissolved
oxygen
Cycles of decay include - ANSWER carbon, nitrogen and sulfur
A flow totalizer is required when the plant design flow is more than - ANSWER 0.5
MGD
Non-hazardous wastes include - ANSWER chlorides, alkalinity, color,
phosphorous and iron
Hazardous wastes include - ANSWER cyanide, sulfides, organics and gasoline
Synergistic Effect - ANSWER reaction between waste streams
How many cubic feet of screenings per million gallons of wastewater will coarse
screens remove? - ANSWER 0.5 to 6.0
Preaeration benefits - ANSWER freshen wastewater, scour gases and remove
grease
WITH 100% VERIFIED SOLUTIONS 2026-2027!!
Preliminary Treatment - ANSWER the 1st stage of sewage treatment where large
debris, such as sticks, grit, and rags pas through a screen followed by a grit
chamber, where the flow of water is slowed enough to allow for sedimentation.
What stage of treatment is grit removal usually accomplished in? - ANSWER
preliminary treatment
Rotating Biological Contactor - ANSWER a type of biological secondary treatment
process
How are protozoa (cause of amoebic dysentery) destroyed? - ANSWER
disinfection
Other than stream discharge, what are other ways to dispose of effluent
wastewater? - ANSWER aquifer recharge, evaporation in a pond, and application
to farm land by irrigation
Clean Water Act - ANSWER gives the basic structure for regulating discharges of
pollutants into the waters of the United States
Texas Water Code - ANSWER gives the TCEQ jurisdiction over discharges of
waste into or adjacent to water in the state
Who reviews plans and specifications for new construction projects before
construction begins? - ANSWER TCEQ
Water quality fees may be as high as ____________ per permit? - ANSWER
$115,000
Administrative penalties, up to __________ per day for each violation, may be
assessed against any violator. - ANSWER $25,000
Every city with more than ________ in population needs to establish a water
pollution control program and hire qualified personnel to administer it. - ANSWER
10,000
State law requires that reports are to be submitted no later than the ________th
day of the following month. - ANSWER 20
What are major surface waters classified as for the purposes of water quality
management and designation of site-specific standards? - ANSWER segments
, Inflow - ANSWER direct discharges of storm water or surface water into a
wastewater collection system (storm drains, roof gutters, yard drains, basement
sump pumps and broken manholes and wastewater lines).
How many gallons per day will each person contribute to the wastewater
treatment plant? - ANSWER 100
How much BOD will each person contribute to the wastewater treatment plant
each day? - ANSWER 0.17
Cause of septic wastewater - ANSWER bacterial action
Classifications of solids in wastewater - ANSWER fixed/ash,
suspended/dissolved, organic/inorganic
Organic compounds in wastewater include - ANSWER carbon, hydrogen and
oxygen (animal and vegetable in nature)
Type of organic matter present in wastewater - ANSWER proteins
BOD is a measure of what? - ANSWER oxygen used up
Ways that oxygen can be depleted in streams - ANSWER untreated waste
discharges, algae masses at night, and high BOD in the effluent
A gas found in treatment systems that is NOT dangerous - ANSWER dissolved
oxygen
Cycles of decay include - ANSWER carbon, nitrogen and sulfur
A flow totalizer is required when the plant design flow is more than - ANSWER 0.5
MGD
Non-hazardous wastes include - ANSWER chlorides, alkalinity, color,
phosphorous and iron
Hazardous wastes include - ANSWER cyanide, sulfides, organics and gasoline
Synergistic Effect - ANSWER reaction between waste streams
How many cubic feet of screenings per million gallons of wastewater will coarse
screens remove? - ANSWER 0.5 to 6.0
Preaeration benefits - ANSWER freshen wastewater, scour gases and remove
grease
