No. On the contrary, effective disinfection of the mains water ensures that sometimes fatal infectious diseases are eliminated.This measure prevents bacterial contamination during the transport of the water in the pipes: only perfectly safe water reaches your tap. Water companies add the bare minimum of chlorine necessary for disinfection. These doses are safe for health. Water companies monitor the chlorine content and check if the disinfection is effective through bacteriological analysis.
Disinfection of mains water with chlorine (in the form of chlorine gas or hypochlorite) is one of the main measures taken to prevent bacterial contamination during the transport of the water in the pipes and to ensure that only perfectly safe water is delivered to the consumer.
The doses of chlorine added are reduced to the strict minimum: a litre of mains water can contain a maximum of a quarter of a milligram of chlorine. These very low doses are safe for health.
Chlorine tends to disappear depending on the temperature of the water and the time it remains in the pipes. The evaporation of chlorine from the kitchen or bathroom tap can make its smell noticeable, even in very small quantities.
Tips
Before immediate consumption, the taste of chlorine can be eliminated by adding a few drops of lemon juice to the water.
After some time, the smell and taste of chlorine will naturally fade if the water is stored in open containers. For an enjoyable drink, fill a carafe with cold water from the tap and place it in the fridge overnight: the next day, the taste of chlorine will be gone. It is best to consume the water within two days.