TX Class C Wastewater Treatment
License Exam Questions And Answers
Preliminary Treatment
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?
preliminary treatment
Rotating Biological Contactor
a type of biological secondary treatment process
How are protozoa (cause of amoebic dysentery) destroyed?
disinfection
Other than stream discharge, what are other ways to dispose of effluent wastewater?
aquifer recharge, evaporation in a pond, and application to farm land by irrigation
,Clean Water Act
gives the basic structure for regulating discharges of pollutants into the waters of the
United States
Texas Water Code
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?
TCEQ
Water quality fees may be as high as ____________ per permit?
$115,000
Administrative penalties, up to __________ per day for each violation, may be
assessed against any violator.
$25,000
,Every city with more than ________ in population needs to establish a water pollution
control program and hire qualified personnel to administer it.
10,000
State law requires that reports are to be submitted no later than the ________th day
of the following month.
20
What are major surface waters classified as for the purposes of water quality
management and designation of site-specific standards?
segments
Inflow
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?
100
, How much BOD will each person contribute to the wastewater treatment plant each
day?
0.17
Cause of septic wastewater
bacterial action
Classifications of solids in wastewater
fixed/ash, suspended/dissolved, organic/inorganic
Organic compounds in wastewater include
carbon, hydrogen and oxygen (animal and vegetable in nature)
Type of organic matter present in wastewater
proteins
BOD is a measure of what?
oxygen used up
License Exam Questions And Answers
Preliminary Treatment
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?
preliminary treatment
Rotating Biological Contactor
a type of biological secondary treatment process
How are protozoa (cause of amoebic dysentery) destroyed?
disinfection
Other than stream discharge, what are other ways to dispose of effluent wastewater?
aquifer recharge, evaporation in a pond, and application to farm land by irrigation
,Clean Water Act
gives the basic structure for regulating discharges of pollutants into the waters of the
United States
Texas Water Code
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?
TCEQ
Water quality fees may be as high as ____________ per permit?
$115,000
Administrative penalties, up to __________ per day for each violation, may be
assessed against any violator.
$25,000
,Every city with more than ________ in population needs to establish a water pollution
control program and hire qualified personnel to administer it.
10,000
State law requires that reports are to be submitted no later than the ________th day
of the following month.
20
What are major surface waters classified as for the purposes of water quality
management and designation of site-specific standards?
segments
Inflow
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?
100
, How much BOD will each person contribute to the wastewater treatment plant each
day?
0.17
Cause of septic wastewater
bacterial action
Classifications of solids in wastewater
fixed/ash, suspended/dissolved, organic/inorganic
Organic compounds in wastewater include
carbon, hydrogen and oxygen (animal and vegetable in nature)
Type of organic matter present in wastewater
proteins
BOD is a measure of what?
oxygen used up
