Page | 1
FLORIDA WASTEWATER PRACTICE
TEST 2026 QUESTIONS AND
ANSWERS | A+ GRADED | WITH
EXPERT SOLUTIONS
According to FDEP chapter 62-600.440 (4) (b) FAC, basic level
disinfection is described as: - correct answer -A chlorine residual
of 0.5 mg/L for 15 minutes at peak hourly flow
FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill
shall be verbally reported to the state warning point no later than:
- correct answer -24hrs from discovery
What is the 'rule of thumb' regarding pump packing? - correct
answer -Never put rings of new packing over the old packing
According to FDEP chapter 62-60, FAC, a composite sample
shall be used for which test? - correct answer -Effluent CBOD
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Chlorine residual can be measured in several ways, including the
use of DPD reagent, spectrophotometers and iodometric titration.
Which of the following is also an approved method? - correct
answer -Amperometric Titration
Chapter 62-601, Domestic wastewater treatment plant monitoring,
states that on-site tests for total residual chlorine, pH, and
_______ can be performed under the direction of a certified
operator: - correct answer -Dissolved Oxygen(DO)
Starting this type of pump against a closed valve can cause major
damage to the pump, pump piping, the operator, or all three -
correct answer -Positive displacement pump
These types of samples may be used for CBOD5 and nutrients at
flows less than 100,000 GPD, according to chapter 62-601 -
correct answer -Grab samples
According to FDEP chapter 62-602, drinking water and
wastewater treatment plant operators, duties of operators
includes reporting to the permittee and the department, as soon
as possible, but within 24hrs: - correct answer -Any major
interruption of service
, Page | 3
What could cause a centrifugal above ground pump to be noisy
while running - correct answer -Debris caught in the impeller
housing
According to FDEP chapter 62-601 FAC, Domestic wastewater
treatment plant monitoring, discharge monitoring reports (DMRs)
for the previous month must be submitted to the department by
the ____________ day of the current month? - correct answer -
28th day
FDEP chapter 62-600 FC, domestic wastewater facilities, states
that all treatment plants shall be____________ - correct answer -
Fenced
As the operator of a primary clarifier, you notice a black and
odorous septic wastewater leaving the clarifier. What is the
probable cause? - correct answer -Improper sludge removal
, Page | 4
A fire has started in the maintenance shop due to an ignition of
petroleum oil. Which type of fire extinguisher should NOT be used
to fight the fire? - correct answer -Pressurized water
Chlorine gas is how many times heavier than air - correct answer
-2.5
The combination of methane and ____________ can be very
combustible - correct answer -Oxygen
Plant effluent coliform count fails to meet the required standards
for disinfection. Chlorine residual is normal. Disinfectant supplies
ARE NOT a problem. What is the probable cause? - correct
answer -Contact time too short
A fixed sample is: - correct answer -A sample purposely spiked by
the lab technician for QA/QC
According to FDEP chapter 62-602 FAC, an operator could have
his license permanently revoked for: - correct answer -Falsified or
misrepresented reports, logs, or lab sheets
FLORIDA WASTEWATER PRACTICE
TEST 2026 QUESTIONS AND
ANSWERS | A+ GRADED | WITH
EXPERT SOLUTIONS
According to FDEP chapter 62-600.440 (4) (b) FAC, basic level
disinfection is described as: - correct answer -A chlorine residual
of 0.5 mg/L for 15 minutes at peak hourly flow
FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill
shall be verbally reported to the state warning point no later than:
- correct answer -24hrs from discovery
What is the 'rule of thumb' regarding pump packing? - correct
answer -Never put rings of new packing over the old packing
According to FDEP chapter 62-60, FAC, a composite sample
shall be used for which test? - correct answer -Effluent CBOD
, Page | 2
Chlorine residual can be measured in several ways, including the
use of DPD reagent, spectrophotometers and iodometric titration.
Which of the following is also an approved method? - correct
answer -Amperometric Titration
Chapter 62-601, Domestic wastewater treatment plant monitoring,
states that on-site tests for total residual chlorine, pH, and
_______ can be performed under the direction of a certified
operator: - correct answer -Dissolved Oxygen(DO)
Starting this type of pump against a closed valve can cause major
damage to the pump, pump piping, the operator, or all three -
correct answer -Positive displacement pump
These types of samples may be used for CBOD5 and nutrients at
flows less than 100,000 GPD, according to chapter 62-601 -
correct answer -Grab samples
According to FDEP chapter 62-602, drinking water and
wastewater treatment plant operators, duties of operators
includes reporting to the permittee and the department, as soon
as possible, but within 24hrs: - correct answer -Any major
interruption of service
, Page | 3
What could cause a centrifugal above ground pump to be noisy
while running - correct answer -Debris caught in the impeller
housing
According to FDEP chapter 62-601 FAC, Domestic wastewater
treatment plant monitoring, discharge monitoring reports (DMRs)
for the previous month must be submitted to the department by
the ____________ day of the current month? - correct answer -
28th day
FDEP chapter 62-600 FC, domestic wastewater facilities, states
that all treatment plants shall be____________ - correct answer -
Fenced
As the operator of a primary clarifier, you notice a black and
odorous septic wastewater leaving the clarifier. What is the
probable cause? - correct answer -Improper sludge removal
, Page | 4
A fire has started in the maintenance shop due to an ignition of
petroleum oil. Which type of fire extinguisher should NOT be used
to fight the fire? - correct answer -Pressurized water
Chlorine gas is how many times heavier than air - correct answer
-2.5
The combination of methane and ____________ can be very
combustible - correct answer -Oxygen
Plant effluent coliform count fails to meet the required standards
for disinfection. Chlorine residual is normal. Disinfectant supplies
ARE NOT a problem. What is the probable cause? - correct
answer -Contact time too short
A fixed sample is: - correct answer -A sample purposely spiked by
the lab technician for QA/QC
According to FDEP chapter 62-602 FAC, an operator could have
his license permanently revoked for: - correct answer -Falsified or
misrepresented reports, logs, or lab sheets
