Pool Operators Test EXAM QUESTIONS
AND ANSWERS 100% SOLVED (Newest
2025)
12 Reasons to shut the pool - Correct Answers ✅1. Danger
to the public
2. chemical readings out of range (chlorine and pH)
3. no pool operator
4. no lifeguard/ CPR certificate
5. bathroom/ drains not working
6. pump not working for more than an hour
7. chlorinator not working
8. flow rate is too low
9. can't see the main drain (deepest part of the pool)
10. water is below the skimmer
11. no phone / landline
12. health inspector not allowed in
What is the lifeguard to swimmer ratio? - Correct Answers
✅50-1
Certified Pool Operator must be how far in order for the pool
to open? - Correct Answers ✅15 minutes
How often should readings for pH and chlorine take place -
Correct Answers ✅every 1 hour
,Pool Operators Test EXAM QUESTIONS
AND ANSWERS 100% SOLVED (Newest
2025)
How long do records need to be held? - Correct Answers
✅2 years at the pool and 3 years total
What is they key to a safe facility? - Correct Answers
✅Prevention
Most drownings of victims happen when? - Correct Answers
✅under 4 feet of water
under 4 feet tall
under 7 years old
What does water balance consist of? (5) - Correct Answers
✅pH, Total Alkalinity, Calcium Hardness, Temperature, and
Total Dissolved solids
(chlorine only disinfects water, it does not maintain sanitary
qualities)
when does corrosive water happen? - Correct Answers ✅-
when the water balance is too low
-satisfies its hunger by dissolving it comes in contact with
-attacks metals and iron
, Pool Operators Test EXAM QUESTIONS
AND ANSWERS 100% SOLVED (Newest
2025)
When does scaling water happen? - Correct Answers ✅-
when water balance is too high
-relieve its overfed condition by releasing precipitates as
scale , cloudiness, and residue
what is pH? - Correct Answers ✅how basic or how acidic a
solution is
explain the pH scale. - Correct Answers ✅0-6: acidic
7: neutral
8-14: basic
what is the pH of the human eye? - Correct Answers ✅7.5
--> so a pool should try to maintain 7.5 also
Health Department regulation for pH and how often it should
be checked - Correct Answers ✅7.2-7.8 and every 1 hour
for pool and spa
what is phenol red? - Correct Answers ✅-what the pH value
is tested with
AND ANSWERS 100% SOLVED (Newest
2025)
12 Reasons to shut the pool - Correct Answers ✅1. Danger
to the public
2. chemical readings out of range (chlorine and pH)
3. no pool operator
4. no lifeguard/ CPR certificate
5. bathroom/ drains not working
6. pump not working for more than an hour
7. chlorinator not working
8. flow rate is too low
9. can't see the main drain (deepest part of the pool)
10. water is below the skimmer
11. no phone / landline
12. health inspector not allowed in
What is the lifeguard to swimmer ratio? - Correct Answers
✅50-1
Certified Pool Operator must be how far in order for the pool
to open? - Correct Answers ✅15 minutes
How often should readings for pH and chlorine take place -
Correct Answers ✅every 1 hour
,Pool Operators Test EXAM QUESTIONS
AND ANSWERS 100% SOLVED (Newest
2025)
How long do records need to be held? - Correct Answers
✅2 years at the pool and 3 years total
What is they key to a safe facility? - Correct Answers
✅Prevention
Most drownings of victims happen when? - Correct Answers
✅under 4 feet of water
under 4 feet tall
under 7 years old
What does water balance consist of? (5) - Correct Answers
✅pH, Total Alkalinity, Calcium Hardness, Temperature, and
Total Dissolved solids
(chlorine only disinfects water, it does not maintain sanitary
qualities)
when does corrosive water happen? - Correct Answers ✅-
when the water balance is too low
-satisfies its hunger by dissolving it comes in contact with
-attacks metals and iron
, Pool Operators Test EXAM QUESTIONS
AND ANSWERS 100% SOLVED (Newest
2025)
When does scaling water happen? - Correct Answers ✅-
when water balance is too high
-relieve its overfed condition by releasing precipitates as
scale , cloudiness, and residue
what is pH? - Correct Answers ✅how basic or how acidic a
solution is
explain the pH scale. - Correct Answers ✅0-6: acidic
7: neutral
8-14: basic
what is the pH of the human eye? - Correct Answers ✅7.5
--> so a pool should try to maintain 7.5 also
Health Department regulation for pH and how often it should
be checked - Correct Answers ✅7.2-7.8 and every 1 hour
for pool and spa
what is phenol red? - Correct Answers ✅-what the pH value
is tested with
