CERTIFIED POOL OPERATOR 2 PRACTICE STUDY GUIDE 2026 SOLVED QUESTIONS

CERTIFIED POOL OPERATOR 2 PRACTICE
STUDY GUIDE 2026 SOLVED QUESTIONS


◉ RWI stands for. Answer: Recreational Water illness


◉ How are recreational water illnesses spread. Answer: Swallowing
water
Breathing in mists
Coming in contact with contaminated water


◉ Recreational Water Illness. Answer: illness caused by
microorganisms and chloramines in water


◉ common illness caused by chloramines. Answer: Breathing
disorder called swimmers asthma


◉ examples of microorganisms that can make you sick in pools.
Answer: Pseudomonas aeruginosa
E.coli
Staph
Crypto

, ◉ interior walls of pool. Answer: pool plaster or white coat


◉ what do pool pumps do?. Answer: They poll water form the pool
main drains and skimmers


◉ pool main drain. Answer: point of strongest suction in the pool


◉ Reasons to close pool immediately. Answer: Main drain cover is
broken or missing
Main drain is not visible due to cloudy water
pool telephone not working


◉ Skimmers. Answer: water from surface passes through skimmers
and debris get trapped in skimmer basket


◉ Skimmer Weir. Answer: prevents floating debris from reentering
the pool


◉ where does water go after going through the pump?. Answer:
filter


◉ where does water go after the filter?. Answer: heater