questions, CPO certification Wake County, pool maintenance exam, CPO 2025
How long does the wake county CPO certificate last - (answer)5 years
How often must daily readings of disinfectant and pH levels be taken? - (answer)2 times during daylight
hours with a legible CPO signature. A minimum of six hours apart. Operator must tea and record one of
these.
What is the CPO checklist and when should it be used? - (answer)Should be filled out daily in the
permitted time by operator. It is a list of maintenance guidelines provided by environmental services.
What do you do when the operator is unavailable to do a daily check of the pool? - (answer)The
operator needs to find a qualified replacement operator for that day.
What water quality violations require pool closure? - (answer)-Fecal matter
-presence of algae
-presence of bacteria or fecal chloroform
-no measurable presence of disinfectant
What do you do when fecal matter is introduced to the pool? - (answer)It is to be drained and
disinfected
Pool: Free chlorine min/Max - (answer)Minimum: 1 ppm maximum: 10 ppm
Pool: PH Minimum and Maximum - (answer)Minimum: 7.2
Maximum: 7.8
Wading pool/spa: free chlorine min/max - (answer)Minimum: 2 ppm