Unless the Health rules have changed a lot...since I was a pool manager....tests are taken throughout the day...and chlorine is added.....as sun depletes existing chlorine....The water is not a place for germs to survive..let alone thrive.

Quip..
"Sir..you'll have to leave for urinating in the pool !!!'\
He says...everyone urinates in the pool !!\\\
Lifeguard says....'NOT FROM THE TOP DIVING BOARD !!' 
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