TEEX WASTEWATER COLLECTION
QUESTIONS AND ANSWERS 100%
CORRECT
T/F: a shock load is unusually strong wastewater discharged from a waste source -
ANSWER-True
T/F: wastewater is channeled to the collection system from the source, then to the
treatment plant and then is discharged to a receiving stream - ANSWER-True
T/F: Septic wastewater is easy to treat, but fresh wastewater is difficult to treat and
results in lower quality effluent - ANSWER-False
T/F: the amount of wastewater collected depends on economic status, water rates,
climate, infiltration/flow, and industry - ANSWER-True
T/F: when industry has its own water supply and discharges wastewater to the city
collection system, the city wastewater volume decreases in proportion to the amount of
water supplied by the industry - ANSWER-False
T/F: the increased flow and BOD introduced by home garbage grinders decrease line
septicity and plant loading - ANSWER-False
T/F: the four categories of wastewater characteristics are physical, chemical,
bacteriological and radiological - ANSWER-True
T/F: Physical characteristics are detected by the senses such as smell and sight -
ANSWER-True
T/F: fresh domestic wastewater is black in color, has a strong fecal odor, suspended
particles that are difficult to see, gas bubbles that may rise to the surface, and contain
no dissolve oxygen - ANSWER-False
T/F: When dissolved oxygen is gone anaerobic decomposition begins producing acid
and odors gases - ANSWER-True
T/F: hot water contains more dissolved oxygen than cold water - ANSWER-False
T/F: 1 mg/L or one PPM is 1 pound of material in 1,000,000 pounds of water -
ANSWER-True
,T/F: wastewater is approximately 9.99% water 0.1% solids and a small amount of gas -
ANSWER-False
T/F: suspended solids can be removed by filtration, but dissolved solids passed through
a filter - ANSWER-True
T/F: organics are produced by plants, animals, or humans - ANSWER-True
T/F: Inorganic means not organic and examples are sand, metal, and rock - ANSWER-
True
T/F: the pH scale ranges from 1 - 14 and measures the hydrogen ion concentration in
water, indicating how acidic or alkaline solution is - ANSWER-False
T/F: A pH of 7 is neutral and below 7 is base above 7 is an acid - ANSWER-False
T/F: Hydrogen sulfide is toxic, corrosive, flammable, heavier than air, deadens the
sense of smell, and has a rotten egg odor - ANSWER-True
T/F: carbon dioxide has no color or order, is suffocating, corrosive, heavier than air, and
flammable - ANSWER-False
T/F: Methane gas is lighter than air, explosive, colorless, and odorless - ANSWER-True
Oil and grease in wastewater may cause - ANSWER-Explosions, fires, stoppages, and
odor
Excessive chlorides interfere with treatment and affect wastewater - ANSWER-Lab tests
The BOD test indicates the amount of organic matter that can be oxidized by biological
and chemical actions in _________ days at _________°C - ANSWER-5/20
The TCEQ sets permit conditions including permit duration, quality of discharge,
discharge point, reporting requirements, and ________ - ANSWER-Maximum discharge
TCEQ shares authority with agencies including the _____ department. - ANSWER-
Parks and wildlife
Local governments must inspect water quality to determine that - ANSWER-Standards
are met, discharges permitted, and permits are followed
Under certain conditions, a city with the population of ______ or more may be required
to establish a water pollution control and abatement program - ANSWER-
, T/F: a collection system must consider the population served 50 years into the future -
ANSWER-False
Bacteria requiring free uncombined oxygen are - ANSWER-aerobic
Bacteria requiring combined oxygen are - ANSWER-anaerobic
Bacteria able to metabolize free or combined oxygen are - ANSWER-facultative
Disease causing microorganisms are called - ANSWER-pathogens
Water bone diseases include typhoid, dysentery, cholera, and - ANSWER-Polio
Types of industrial waste are flammable oil, toxic gases, and - ANSWER-acids and
alkalis
T/F: the Texas water code is the state law for water pollution control in Texas -
ANSWER-True
T/F: the TCEQ is the primary state agency having authority for water pollution control in
Texas - ANSWER-True
T/F: responsibilities of the TCEQ include construction approval, operator licensing
inspections and fees, enforcement and penalties, issuing permits, and setting pay
scales - ANSWER-False
T/F: municipalities can review wastewater system projects in lieu of TCEQ by submitting
notification of intent to review - ANSWER-True
T/F: the TCEQ can revoke an operators license if the plant design is at fault - ANSWER-
False
T/F: wastewater system records are private information and cannot be examined or
copied by the TCEQ - ANSWER-False
T/F: if an accidental discharge or spill occurs the TCEQ must be notified within 24 days
- ANSWER-False
T/F: if a wastewater quality violation occurs, the TCEQ may assess the administrative
penalty up to $1000 per day per violation - ANSWER-False
T/F: no one can construct a treatment plant without a permit except with the TCEQ
approval - ANSWER-True
T/F: drilling test holes along a proposed collection system route to determine geological
data is the first step in planning - ANSWER-False
QUESTIONS AND ANSWERS 100%
CORRECT
T/F: a shock load is unusually strong wastewater discharged from a waste source -
ANSWER-True
T/F: wastewater is channeled to the collection system from the source, then to the
treatment plant and then is discharged to a receiving stream - ANSWER-True
T/F: Septic wastewater is easy to treat, but fresh wastewater is difficult to treat and
results in lower quality effluent - ANSWER-False
T/F: the amount of wastewater collected depends on economic status, water rates,
climate, infiltration/flow, and industry - ANSWER-True
T/F: when industry has its own water supply and discharges wastewater to the city
collection system, the city wastewater volume decreases in proportion to the amount of
water supplied by the industry - ANSWER-False
T/F: the increased flow and BOD introduced by home garbage grinders decrease line
septicity and plant loading - ANSWER-False
T/F: the four categories of wastewater characteristics are physical, chemical,
bacteriological and radiological - ANSWER-True
T/F: Physical characteristics are detected by the senses such as smell and sight -
ANSWER-True
T/F: fresh domestic wastewater is black in color, has a strong fecal odor, suspended
particles that are difficult to see, gas bubbles that may rise to the surface, and contain
no dissolve oxygen - ANSWER-False
T/F: When dissolved oxygen is gone anaerobic decomposition begins producing acid
and odors gases - ANSWER-True
T/F: hot water contains more dissolved oxygen than cold water - ANSWER-False
T/F: 1 mg/L or one PPM is 1 pound of material in 1,000,000 pounds of water -
ANSWER-True
,T/F: wastewater is approximately 9.99% water 0.1% solids and a small amount of gas -
ANSWER-False
T/F: suspended solids can be removed by filtration, but dissolved solids passed through
a filter - ANSWER-True
T/F: organics are produced by plants, animals, or humans - ANSWER-True
T/F: Inorganic means not organic and examples are sand, metal, and rock - ANSWER-
True
T/F: the pH scale ranges from 1 - 14 and measures the hydrogen ion concentration in
water, indicating how acidic or alkaline solution is - ANSWER-False
T/F: A pH of 7 is neutral and below 7 is base above 7 is an acid - ANSWER-False
T/F: Hydrogen sulfide is toxic, corrosive, flammable, heavier than air, deadens the
sense of smell, and has a rotten egg odor - ANSWER-True
T/F: carbon dioxide has no color or order, is suffocating, corrosive, heavier than air, and
flammable - ANSWER-False
T/F: Methane gas is lighter than air, explosive, colorless, and odorless - ANSWER-True
Oil and grease in wastewater may cause - ANSWER-Explosions, fires, stoppages, and
odor
Excessive chlorides interfere with treatment and affect wastewater - ANSWER-Lab tests
The BOD test indicates the amount of organic matter that can be oxidized by biological
and chemical actions in _________ days at _________°C - ANSWER-5/20
The TCEQ sets permit conditions including permit duration, quality of discharge,
discharge point, reporting requirements, and ________ - ANSWER-Maximum discharge
TCEQ shares authority with agencies including the _____ department. - ANSWER-
Parks and wildlife
Local governments must inspect water quality to determine that - ANSWER-Standards
are met, discharges permitted, and permits are followed
Under certain conditions, a city with the population of ______ or more may be required
to establish a water pollution control and abatement program - ANSWER-
, T/F: a collection system must consider the population served 50 years into the future -
ANSWER-False
Bacteria requiring free uncombined oxygen are - ANSWER-aerobic
Bacteria requiring combined oxygen are - ANSWER-anaerobic
Bacteria able to metabolize free or combined oxygen are - ANSWER-facultative
Disease causing microorganisms are called - ANSWER-pathogens
Water bone diseases include typhoid, dysentery, cholera, and - ANSWER-Polio
Types of industrial waste are flammable oil, toxic gases, and - ANSWER-acids and
alkalis
T/F: the Texas water code is the state law for water pollution control in Texas -
ANSWER-True
T/F: the TCEQ is the primary state agency having authority for water pollution control in
Texas - ANSWER-True
T/F: responsibilities of the TCEQ include construction approval, operator licensing
inspections and fees, enforcement and penalties, issuing permits, and setting pay
scales - ANSWER-False
T/F: municipalities can review wastewater system projects in lieu of TCEQ by submitting
notification of intent to review - ANSWER-True
T/F: the TCEQ can revoke an operators license if the plant design is at fault - ANSWER-
False
T/F: wastewater system records are private information and cannot be examined or
copied by the TCEQ - ANSWER-False
T/F: if an accidental discharge or spill occurs the TCEQ must be notified within 24 days
- ANSWER-False
T/F: if a wastewater quality violation occurs, the TCEQ may assess the administrative
penalty up to $1000 per day per violation - ANSWER-False
T/F: no one can construct a treatment plant without a permit except with the TCEQ
approval - ANSWER-True
T/F: drilling test holes along a proposed collection system route to determine geological
data is the first step in planning - ANSWER-False
