Certified Pool Operator Study Guide
11 Reasons for Pool Closure - answer✔1. lifeguard on pool deck
2. Main drain is not clearly, visible from the nearest lifeguard chair
3. Free chlorine, total bromine, ph and cyanic acid readings of pool where otherwise specified
under Section 2, B.1
4. Recirculating equipment is not working properly for more than 1 hour
5.Water level is below the skimmers in pools
6. Chemical disinfectant feeder has not been functional for 24 hour period
7. Bathhouse drainage system is blocked sufficiently to render bathhouse unusable
8. Director has been wrongly denied permission to inspect the pool pursuant to chapter 51
9. A licensed Montgomery county pool operator is not immediate control of the pool
10. Director determines that an immediate hazard exists to the health or safety of the users of any
pool
11. At least one lifeguard currently certified in infant/child/adult CPR is not within the pool
enclosure.
Health regulation for CPO is - answer✔16 years old; approved course; 75% or better
CPO Must be at the facility _______ prior; for what reason - answer✔30 Minutes prior to open;
to measure, record and adjust
Chlorine and PH must be tested every _____ hours for a pool; every _____ hour for a spa -
answer✔2 hours for pool; 1 hour for spa
Records of chemical readings must be maintained and available for at least ______ years; and
_____ years total - answer✔2 years @ pool; 3 years total
Must close a pool or spa when: ____ ( Hint 7 items) - answer✔1. residual disinfection levels are
not within required ranges.
2. Sanitary water quality has coliform bacteria levels within the acceptable ranges
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3. Water chemistry levels are not within proper ranges
4. Water clarity is not acceptable according to local standards
5. Recirculation or disinfection system is malfunctioning
6. When protection of the public health, safety, welfare imperatively requires emergency action.
7. Lifeguard not present
___________ is the best prevention of accidents at swimming pools - answer✔Adult supervision
All public pools must have a _____ and _____ in order for the pool to be open. - answer✔CPO,
and lifeguard
Name 5 reasons that cause a facility to have more than one lifeguard: - answer✔1. # of guards on
duty
2. # of swimmers in water
3. Skill level of swimmers
4. Shape of facility
5. Temperature
6. Activity
_______________ is a step by step plan that the facility staff will follow in response to an
emergency at the facility. - answer✔Emergency Action Plan
Most rescues and diving accidents occur in _____ water - answer✔Shallow
Pool Operator certification is valid for _____ years - answer✔2 years
Lifeguard certification is valid for ____ years - answer✔2 years
Five factors figure into water balance: - answer✔1. pH
2.Total Alkalinity
3. Calcium hardness
4. Temperature
5. Total Disolved Solids
Define : Corrosive Water - answer✔Seeks to satisfy its hunger by dissolving virtually everything
it contacts. Attacking metals and plaster surfaces.