Don't worry Hiya,
There is no problem for chlorinated water. The main purpose of chlorine in swimming pool water is to kill pathogens. Chlorinated water is best for drinking under controlled usage. The only problem that associated with chlorine pools is that it may contain some chemical compounds that are formed by the reaction of chlorine and organic matter like sweat, urine etc. But you can avoid that problem by following some maintenance tips. Ask your builder for advice and support in swimming pool maintenance.