WASTEWATER D LICENSE STUDY EXAM
(ACTUAL EXAM) WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST 2025 - 2026
ALREADY GRADED A+
False (#4 radiological) - ANSWERS-wastewater characteristics are divided into
3 primary groups : Bacteriological, physical, and chemical.
False ( Answer: Microscope) - ANSWERS-bacteria are seen with a telescope
and are present in soil, water, air, decaying organic matter, and the intestinal
tract of humans and animals.
True - ANSWERS-Some bacteria cause disease and are called pathogens
True - ANSWERS-one way to classify bacteria is by Oxygen use : aerobic,
facultative, and anaerobic
False Answer Oxygen - ANSWERS-Aerobic bacteria require dissolved,
uncombined (free) Nitrogen
Flase (Answer Dissolved) - ANSWERS-Anaerobic bacteria cannot live when
chemically combined Oxygen is present
,TRue - ANSWERS-Facultative bacteria live with free oxygen or chemically
combined Oxygen
True - ANSWERS-Fresh domestic wastewater contains dissolved Oxygen
Protecting Texas water from contamination requires_______________ of
wastewater - ANSWERS-1.Collection and transportation to treatment
2.Treatment that removes contaminates
3.Processing and disposal
Benefits of treating point-source and non-point source wastes are prevention
of ground and surface water pollution, and _________ - ANSWERS-1.
Protection of human and animal health
2. Prevention of oxygen depletion in surface water
The Texas Water Code establishes the following means of protecting state
water: water quality standards for streams; discharge limitations for point
sources; and __________ - ANSWERS-Requiring disinfection of drinking water
The states sets water quality standards, called ________________, for river
and lakes. - ANSWERS-Stream standards
To meet stream standards the state issues _________________ for waste
discharge - ANSWERS-Permits
Water Resources in Texas includes lakes, rivers, bays, estuaries, wetlands,
ground water, and storm (1-3) - ANSWERS-False
,Water Polluntants include organic and inorganic material, heat, and radiation
(1-4) - ANSWERS-True
In Texas, Clean water is needed to provide for human comsumption and
recreation, Maintain aquatic habitats for wildlife, recharge ground water, and
provide for industry. (1-4) - ANSWERS-False
Two sources of water contamination are discharges and non- point source
discharges (1-4) - ANSWERS-False
Examples of point-source discharges are: - ANSWERS-Municipal, industrial,
and agricultural wastewater treatment facilities
A role of supervision and management is to set job assignments and secure
permits and finances to do the job - ANSWERS-True
Responsibilities of the license operator include protecting the Public from
waterborne disease, performing duties professionally, protecting state water
from pollution, maintaining required license practicing safety and controlling
Operation cost. - ANSWERS-False
The Federal Water Control. Act of 1972 (Clean Water Act) Has a goal of
eliminating pollution of the nation's water - ANSWERS-True
Chapter 26 of the Texas Water Code is the law controlling water pollutions. -
ANSWERS-True
, TCEQ functions include setting water quality standards, monitoring
discharges,m and enforcing the Clean Water Act - ANSWERS-True
To become a licensed operator it is necessary to (2-3) - ANSWERS-Pass a test
administered by TCEQ
Paid by the permit holder - ANSWERS-Personnel working at a domestic
wastewater plant must be state licensed if they are (2-3)
Local governments have authority to inspect facilities using the collection
system, enforce local pollution control laws, set discharge rules, and collect
_____________- - ANSWERS-User charges
The Local government may inspect and investigate water quality conditions
within its jurisdiction to determine ___________________ (2-5) - ANSWERS-
1. Standards are met
2. Discharges have permits
3. Permits are followed
4. All the above
Local governments may make discharge rules to protect personnel, the
wastewater system. - ANSWERS-Treatment Facility
A local government may bring suit to enforce it's - ANSWERS-Rules
Cities with more then ________________ population must have a water
pollution control program - ANSWERS-10000
(ACTUAL EXAM) WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST 2025 - 2026
ALREADY GRADED A+
False (#4 radiological) - ANSWERS-wastewater characteristics are divided into
3 primary groups : Bacteriological, physical, and chemical.
False ( Answer: Microscope) - ANSWERS-bacteria are seen with a telescope
and are present in soil, water, air, decaying organic matter, and the intestinal
tract of humans and animals.
True - ANSWERS-Some bacteria cause disease and are called pathogens
True - ANSWERS-one way to classify bacteria is by Oxygen use : aerobic,
facultative, and anaerobic
False Answer Oxygen - ANSWERS-Aerobic bacteria require dissolved,
uncombined (free) Nitrogen
Flase (Answer Dissolved) - ANSWERS-Anaerobic bacteria cannot live when
chemically combined Oxygen is present
,TRue - ANSWERS-Facultative bacteria live with free oxygen or chemically
combined Oxygen
True - ANSWERS-Fresh domestic wastewater contains dissolved Oxygen
Protecting Texas water from contamination requires_______________ of
wastewater - ANSWERS-1.Collection and transportation to treatment
2.Treatment that removes contaminates
3.Processing and disposal
Benefits of treating point-source and non-point source wastes are prevention
of ground and surface water pollution, and _________ - ANSWERS-1.
Protection of human and animal health
2. Prevention of oxygen depletion in surface water
The Texas Water Code establishes the following means of protecting state
water: water quality standards for streams; discharge limitations for point
sources; and __________ - ANSWERS-Requiring disinfection of drinking water
The states sets water quality standards, called ________________, for river
and lakes. - ANSWERS-Stream standards
To meet stream standards the state issues _________________ for waste
discharge - ANSWERS-Permits
Water Resources in Texas includes lakes, rivers, bays, estuaries, wetlands,
ground water, and storm (1-3) - ANSWERS-False
,Water Polluntants include organic and inorganic material, heat, and radiation
(1-4) - ANSWERS-True
In Texas, Clean water is needed to provide for human comsumption and
recreation, Maintain aquatic habitats for wildlife, recharge ground water, and
provide for industry. (1-4) - ANSWERS-False
Two sources of water contamination are discharges and non- point source
discharges (1-4) - ANSWERS-False
Examples of point-source discharges are: - ANSWERS-Municipal, industrial,
and agricultural wastewater treatment facilities
A role of supervision and management is to set job assignments and secure
permits and finances to do the job - ANSWERS-True
Responsibilities of the license operator include protecting the Public from
waterborne disease, performing duties professionally, protecting state water
from pollution, maintaining required license practicing safety and controlling
Operation cost. - ANSWERS-False
The Federal Water Control. Act of 1972 (Clean Water Act) Has a goal of
eliminating pollution of the nation's water - ANSWERS-True
Chapter 26 of the Texas Water Code is the law controlling water pollutions. -
ANSWERS-True
, TCEQ functions include setting water quality standards, monitoring
discharges,m and enforcing the Clean Water Act - ANSWERS-True
To become a licensed operator it is necessary to (2-3) - ANSWERS-Pass a test
administered by TCEQ
Paid by the permit holder - ANSWERS-Personnel working at a domestic
wastewater plant must be state licensed if they are (2-3)
Local governments have authority to inspect facilities using the collection
system, enforce local pollution control laws, set discharge rules, and collect
_____________- - ANSWERS-User charges
The Local government may inspect and investigate water quality conditions
within its jurisdiction to determine ___________________ (2-5) - ANSWERS-
1. Standards are met
2. Discharges have permits
3. Permits are followed
4. All the above
Local governments may make discharge rules to protect personnel, the
wastewater system. - ANSWERS-Treatment Facility
A local government may bring suit to enforce it's - ANSWERS-Rules
Cities with more then ________________ population must have a water
pollution control program - ANSWERS-10000
