FLORIDA WASTEWATER PRACTICE TEST
2026 QUESTIONS AND ANSWERS
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
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
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
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
2026 QUESTIONS AND ANSWERS
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
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
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
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
