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CERTIFIED POOL OPERATOR HANDBOOK
PRACTICE TEST | NEW ACTUAL EXAM
WITH ANSWERS LATEST UPDATE 2026/2027
GRADED A+.
1. You operate a 120,000-gallon pool, and upon performing your
hourly chemical tests you observe the following readings: Total
Available Chlorine reading is 1.6 free available chlorine reading is 1.5
pH is 7.4 Your supervising lifeguard has just informed you that you have
had a fecal incident occur; a solid stool has been discharged into the
pool. According to the Centers for Disease Control, as the CPO, you
should do the following: -correct answer
-clear the pool and raise the free chlorine to 2 ppm
2. Assuming that your local health department requires you to raise
the free chlorine to 5 ppm, how much sodium hypochlorite would be
needed to raise the free chlorine in the pool in question #1 to that level?
-correct answer -3.5 gallons
3. You are the CPO for an indoor health club pool. The facility
manager informs you that he is receiving complaints about a strong
chlorine odor in the pool area, and several members have complained of
eye irritation. The most likely cause of these complaints is: -correct
answer -high levels of chloramines in the pool
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4. You operate a 45,000 gallon indoor pool, and upon doing your
hourly chemical tests you observe the following readings:Total available
chlorine is 2.2 Free available chlorine is 1.4 and pH is 7.6 What is the
level of chloramines in this pool? -correct answer -
0.8
7. You are the CPO for a 28,000 gallon hotel pool. You perform a
water balance chemical test, and to your surprise, the Calcium Hardness
is only 100 ppm. How much calcium chloride (77%) would be required
to increase this to 400 ppm?" -correct answer 100.8 lbs.
5. To determine the level of chloramines in the water, you should do
which of the following? -correct answer -test for total chlorine and free
chlorine, then subtract the free chlorine number from the total chlorine
11. You are the CPO for a 100 foot long, 50 foot wide country club
pool. The average depth of this pool is 7 feet. You return to the pool on
Monday morning, after a rare weekend off, and find that the auto-fill
feature has failed to work, and the pool water level is four inches too
low. How many gallons of water must be added to return the water to the
proper level? -correct answer -12,495 gallons
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CERTIFIED POOL OPERATOR HANDBOOK
PRACTICE TEST | NEW ACTUAL EXAM
WITH ANSWERS LATEST UPDATE 2026/2027
GRADED A+.
1. You operate a 120,000-gallon pool, and upon performing your
hourly chemical tests you observe the following readings: Total
Available Chlorine reading is 1.6 free available chlorine reading is 1.5
pH is 7.4 Your supervising lifeguard has just informed you that you have
had a fecal incident occur; a solid stool has been discharged into the
pool. According to the Centers for Disease Control, as the CPO, you
should do the following: -correct answer
-clear the pool and raise the free chlorine to 2 ppm
2. Assuming that your local health department requires you to raise
the free chlorine to 5 ppm, how much sodium hypochlorite would be
needed to raise the free chlorine in the pool in question #1 to that level?
-correct answer -3.5 gallons
3. You are the CPO for an indoor health club pool. The facility
manager informs you that he is receiving complaints about a strong
chlorine odor in the pool area, and several members have complained of
eye irritation. The most likely cause of these complaints is: -correct
answer -high levels of chloramines in the pool
, Page | 2
4. You operate a 45,000 gallon indoor pool, and upon doing your
hourly chemical tests you observe the following readings:Total available
chlorine is 2.2 Free available chlorine is 1.4 and pH is 7.6 What is the
level of chloramines in this pool? -correct answer -
0.8
7. You are the CPO for a 28,000 gallon hotel pool. You perform a
water balance chemical test, and to your surprise, the Calcium Hardness
is only 100 ppm. How much calcium chloride (77%) would be required
to increase this to 400 ppm?" -correct answer 100.8 lbs.
5. To determine the level of chloramines in the water, you should do
which of the following? -correct answer -test for total chlorine and free
chlorine, then subtract the free chlorine number from the total chlorine
11. You are the CPO for a 100 foot long, 50 foot wide country club
pool. The average depth of this pool is 7 feet. You return to the pool on
Monday morning, after a rare weekend off, and find that the auto-fill
feature has failed to work, and the pool water level is four inches too
low. How many gallons of water must be added to return the water to the
proper level? -correct answer -12,495 gallons
, Page | 3
Thank you for Purchasing this exam
Study Guide. We provide high-quality
academic materials to help students
excel in exams. Our other Services
include but not limited to: academic
research, University & College
assignments writing, essay writing,
Online Classes, and research projects.
Our services are reliable, affordable,
and plagiarism-free. All the Best in
your Exam. For more information;
Contact us at:
or
0R +254
741484450
