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TAP WATER: GUARANTEED QUALITY - TAP WATER: GUARANTEED QUALITY

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angle-left TAP WATER: GUARANTEED QUALITY

TAP WATER: GUARANTEED QUALITY


Canal analyses the water every five seconds to guarantee that the quality is excellent

Some sectors of the society believe that tap water is of lower quality than bottel water, but this is only a myth. Tap water is one of the food products to undergo the highest number of analytical tests. This meticulous monitoring is both the cause and the consequence of a supply to the population which is totally guaranteed.

Water intended for human consumption must be of a suitable health quality after its treatment and storage in the distribution network. Therefore, from the moment it leaves the connection point until it reaches the tap, it passes through numerous controls, monitoring, processes and tests.

With respect to this control process, Canal de Isabel II, responsible for managing all the stages of the water cycle in the Community of Madrid, has always been willing to go further that necessary to supply water of the best possible quality. This is the reason it uses the latest cutting-edge technologies.

Monitoring of the water supply starts at the origin, that is, in the reservoirs, rivers and wells; it continues during its treatment in drinking water treatment plants and as it passes along the distribution network until it is delivered to the meters of the consumer. At this point it should be noted that the geography is in the people of Madrid's favour, as the reservoirs of Canal are in granite areas which facilitates a low water salinity, making the taste more pleasant.

In any case, throughout the process, the water is subject to numerous controls as it passes through the system. The most exhaustive of these, with the highest number of tests, takes place while the water is in the distribution network. Two programmes based on manual sampling are used to monitor the water: one systematic programme at specific points and moments; and another auxiliary programme with no defined schedule. In addition to these, there is a significant network of automatic monitoring stations (EVA).

These are equipped with numerous sensors which measure a series of parameters and send the results in real time to the Control Centre. All of these test the chlorine, ammonia, nitrites and pH; some also meausre the total organic carbon, nitrate and tubidity. And as if that was not enough, Canal also has 21 laboratories which offer increased reliability, if necessary, to the monitoring programme. In total, the company conducts six million tests per year, that is, one every five seconds.

This is why more and more people are replacing bottled water with tap water, aware now of the benefits of this move. In addition to the difference in price, bottled water may be up to one thousand time more expensive that tap water, there is the reduction of the plastic footprint. In this respect, the use of bottles or glass jars is a great idea. If we fill them with tap water and keep them in the fridge, we will always have fresh water perfect for drinking. And at almost zero cost, without generating any plastic wate at all. 


Each year, Canal de Isabel II conducts six million tests

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