AQUATIC FACILITY OPERATOR CERTIFICATION
EVALUATION 2026 TESTED QUESTIONS
SOLVED
◉ Primary Contaminant that shields harmful bacteria from
disinfection processes. Answer: Turbidity
◉ Device used to measure NTU's. Answer: Nephelometer
◉ Turbidity is Measured with. Answer: Turbidimeter or
Nephelometer
◉ Chemical sampling results be kept ___ years. Answer: 10
◉ Bacteriological sampling results be kept ___ years. Answer: 5
◉ Microorganisms whose presence in water indicates probable
presence of pathogens.. Answer: Indicator organism
◉ White powder used to neutralize chlorine. Answer: Sodium
Thiosulphate
,◉ To insure the water being sampled is from the main and not the
customers plumbling. Answer: Flush line
◉ Number is used to determine how many Bac-t samples must be
taken. Answer: People served
◉ Minimum number of Bac-T samples required each month?.
Answer: 1
◉ Anytime the MCL is exceeded and fecal coliform positive results
come back from any of the samples. Answer: Non-acute violation
◉ If retakes are required this month what is the minimum number
of samples required next month. Answer: 5
◉ Bacteria that are found only in surface water supplies. Answer:
Cryptosporidium & Giardia
◉ How soon must NMED be notified that a Bacterial MCL has been
exceeded? ___ hours. Answer: 24
◉ Coliform group. Answer: Indicator organism
, ◉ Waterborne pathogens found in all water supplies. Answer:
Typhoid, Cholera, Dysentery, Hepatitis, Paratyphoid (types A & B)
◉ Disease causing Bacteria. Answer: Pathogens
◉ Water. Answer: Universal solvent
◉ Ground & Surface. Answer: Two sources of water
◉ Water that is safe to drink. Answer: Potable
◉ Natural water cycle. Answer: Hydrologic Cycle
◉ Water that is lost or given up to the atmosphere by plants or the
surface of streams, lakes and oceans.. Answer: Evapotranspiration
◉ Destruction of Pathogens. Answer: Disinfection
◉ May be used for the removal of Iron & Manganese, some kinds of
Taste & Odors, and some dissolved gases, such as Ammonia and
Hydrogen Sulfide. Answer: Chlorine
EVALUATION 2026 TESTED QUESTIONS
SOLVED
◉ Primary Contaminant that shields harmful bacteria from
disinfection processes. Answer: Turbidity
◉ Device used to measure NTU's. Answer: Nephelometer
◉ Turbidity is Measured with. Answer: Turbidimeter or
Nephelometer
◉ Chemical sampling results be kept ___ years. Answer: 10
◉ Bacteriological sampling results be kept ___ years. Answer: 5
◉ Microorganisms whose presence in water indicates probable
presence of pathogens.. Answer: Indicator organism
◉ White powder used to neutralize chlorine. Answer: Sodium
Thiosulphate
,◉ To insure the water being sampled is from the main and not the
customers plumbling. Answer: Flush line
◉ Number is used to determine how many Bac-t samples must be
taken. Answer: People served
◉ Minimum number of Bac-T samples required each month?.
Answer: 1
◉ Anytime the MCL is exceeded and fecal coliform positive results
come back from any of the samples. Answer: Non-acute violation
◉ If retakes are required this month what is the minimum number
of samples required next month. Answer: 5
◉ Bacteria that are found only in surface water supplies. Answer:
Cryptosporidium & Giardia
◉ How soon must NMED be notified that a Bacterial MCL has been
exceeded? ___ hours. Answer: 24
◉ Coliform group. Answer: Indicator organism
, ◉ Waterborne pathogens found in all water supplies. Answer:
Typhoid, Cholera, Dysentery, Hepatitis, Paratyphoid (types A & B)
◉ Disease causing Bacteria. Answer: Pathogens
◉ Water. Answer: Universal solvent
◉ Ground & Surface. Answer: Two sources of water
◉ Water that is safe to drink. Answer: Potable
◉ Natural water cycle. Answer: Hydrologic Cycle
◉ Water that is lost or given up to the atmosphere by plants or the
surface of streams, lakes and oceans.. Answer: Evapotranspiration
◉ Destruction of Pathogens. Answer: Disinfection
◉ May be used for the removal of Iron & Manganese, some kinds of
Taste & Odors, and some dissolved gases, such as Ammonia and
Hydrogen Sulfide. Answer: Chlorine
