1|Page
TEXAS WASTEWATER C EXAM LATEST WITH
ACTUAL QUESTIONS AND CORRECT VERIFIED
ANSWERS/ALREADY GRADED A+ 100%
GUARANTEED SUCCESS! 2026
Clean Water Act - ANSWER -(CWA, 1972) set maximum permissible
amounts of water pollutants that can be discharged into waterways;
aims to make surface waters swimmable and fishable
Texas Water Code - ANSWER -Under Chapter 26, the Texas Commission
on Environmental Quality (TCEQ) has jurisdiction over the discharge of
waste into or adjacent to water in the state.
TCEQ can revoke your license for - ANSWER -violating the permit,
falsifies records, states misleading information on licensing application,
or causes other violations.
water quality fees - ANSWER -based on plant flow, can be high as
$115,000 per permit.
Accidental Discharge - ANSWER -plant has 24hrs to notify TCEQ, which
may be done by phone or fax.
,2|Page
Penalties - ANSWER -TCEQ Water Code violation can be up to $25000
per day for each violation.
Required records - ANSWER -flow and effluent quality- 3 yrs
sludge records-5 yrs
DMR - ANSWER -Discharge Monitoring Report has to be submitted to
TCEQ no later than the 20th of the following month.
DMR signing - ANSWER -Operators should not sign unless a legal
signatory or have written authorization from a legal signatory within
your organization.
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.
coarse screens - ANSWER -bar screen-parallel bars-manually or
mechanically cleaned. Must maintain 1.0ft per second. Need to be
frequently cleaned or disposed of.
fine screens - ANSWER -mechanically cleaned-less than 0.25in. two
types are disc and drum. Used for pretreatment of industrial wastes.
,3|Page
Comminutor - ANSWER -A circular grinder designed to grind the solids
coming through the screen into pieces.
Cyclone grit separator - ANSWER -enters at top angle and the flow
velocity causes a spinning action, the grit is concentrated at the bottom
of funnel.
Centrifugal pump - ANSWER -A non-positive displacement pump that
moves a varying amount of fluid with each rotation using an impeller
blade. Must be primed and most common type.
Positive Displacement Pump - ANSWER -A type of pump that uses
positive pressure to move a fluid. Three types are diaphragm, screw,
and piston. Keep discharge valves open always. Used to move sludge,
polymers, and chemicals.
sedimentation tank (Clarifiers) - ANSWER -consists of cylindrical or
rectangular tanks where settleable solids are removed by gravity. Low
velocity conditions.
inlet zone - ANSWER -Where the inflow is distributed over the tank
cross section and to prevent short-circuiting
design flow of 1.0 MGD or less - ANSWER -effluent weirs can provide a
max of 20,000 gal/day/linear ft.
, 4|Page
wastewater bugs - ANSWER -bacteria, protozoa, algae, and fungi
wastewater stabilization ponds - ANSWER -most common pond used in
Texas, designed to be aerobic throughout its depth. 3-5ft. BOD should
not exceed 35lb. BOD/acre/day
Facultative lagoon - ANSWER -aerobic on top and anaerobic on bottom,
5-8ft deep, 30 day detention time is common, removes 50% of BOD.
activated sludge process - ANSWER -Consists of "seeding" a tank of
sewage with bacteria-laden sludge, pumping compressed air into the
mixture and agitating for 4-10 hours.
Return Activated Sludge (RAS) - ANSWER -The settled activated sludge
(biomass) collected in a final clarifier and returned to the secondary
treatment process to mix with incoming wastewater. This returns a
concentrated population of microorganisms back into the aeration
basin.
Waste Activated Sludge - ANSWER -is the activated sludge (excess
biomass or cell mass) removed from the secondary treatment process.
WAS is pumped to thickeners or digesters to be processed for final
disposal.
TEXAS WASTEWATER C EXAM LATEST WITH
ACTUAL QUESTIONS AND CORRECT VERIFIED
ANSWERS/ALREADY GRADED A+ 100%
GUARANTEED SUCCESS! 2026
Clean Water Act - ANSWER -(CWA, 1972) set maximum permissible
amounts of water pollutants that can be discharged into waterways;
aims to make surface waters swimmable and fishable
Texas Water Code - ANSWER -Under Chapter 26, the Texas Commission
on Environmental Quality (TCEQ) has jurisdiction over the discharge of
waste into or adjacent to water in the state.
TCEQ can revoke your license for - ANSWER -violating the permit,
falsifies records, states misleading information on licensing application,
or causes other violations.
water quality fees - ANSWER -based on plant flow, can be high as
$115,000 per permit.
Accidental Discharge - ANSWER -plant has 24hrs to notify TCEQ, which
may be done by phone or fax.
,2|Page
Penalties - ANSWER -TCEQ Water Code violation can be up to $25000
per day for each violation.
Required records - ANSWER -flow and effluent quality- 3 yrs
sludge records-5 yrs
DMR - ANSWER -Discharge Monitoring Report has to be submitted to
TCEQ no later than the 20th of the following month.
DMR signing - ANSWER -Operators should not sign unless a legal
signatory or have written authorization from a legal signatory within
your organization.
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.
coarse screens - ANSWER -bar screen-parallel bars-manually or
mechanically cleaned. Must maintain 1.0ft per second. Need to be
frequently cleaned or disposed of.
fine screens - ANSWER -mechanically cleaned-less than 0.25in. two
types are disc and drum. Used for pretreatment of industrial wastes.
,3|Page
Comminutor - ANSWER -A circular grinder designed to grind the solids
coming through the screen into pieces.
Cyclone grit separator - ANSWER -enters at top angle and the flow
velocity causes a spinning action, the grit is concentrated at the bottom
of funnel.
Centrifugal pump - ANSWER -A non-positive displacement pump that
moves a varying amount of fluid with each rotation using an impeller
blade. Must be primed and most common type.
Positive Displacement Pump - ANSWER -A type of pump that uses
positive pressure to move a fluid. Three types are diaphragm, screw,
and piston. Keep discharge valves open always. Used to move sludge,
polymers, and chemicals.
sedimentation tank (Clarifiers) - ANSWER -consists of cylindrical or
rectangular tanks where settleable solids are removed by gravity. Low
velocity conditions.
inlet zone - ANSWER -Where the inflow is distributed over the tank
cross section and to prevent short-circuiting
design flow of 1.0 MGD or less - ANSWER -effluent weirs can provide a
max of 20,000 gal/day/linear ft.
, 4|Page
wastewater bugs - ANSWER -bacteria, protozoa, algae, and fungi
wastewater stabilization ponds - ANSWER -most common pond used in
Texas, designed to be aerobic throughout its depth. 3-5ft. BOD should
not exceed 35lb. BOD/acre/day
Facultative lagoon - ANSWER -aerobic on top and anaerobic on bottom,
5-8ft deep, 30 day detention time is common, removes 50% of BOD.
activated sludge process - ANSWER -Consists of "seeding" a tank of
sewage with bacteria-laden sludge, pumping compressed air into the
mixture and agitating for 4-10 hours.
Return Activated Sludge (RAS) - ANSWER -The settled activated sludge
(biomass) collected in a final clarifier and returned to the secondary
treatment process to mix with incoming wastewater. This returns a
concentrated population of microorganisms back into the aeration
basin.
Waste Activated Sludge - ANSWER -is the activated sludge (excess
biomass or cell mass) removed from the secondary treatment process.
WAS is pumped to thickeners or digesters to be processed for final
disposal.
