Tap water, quality and safety

In order to ensure the quality and safety of its water, CAP Group monitors and carries out testing at its drinking water analysis laboratories on a daily basis to ensure that it meets the required standards for human consumption. Indeed, drinking water must comply with chemical, physical and microbiological standards established by Council Directive 98/83/CE and implemented in Italy by Legislative Decree 31/2001. 

The analysis of the water for all municipalities served by the CAP Group can be found on the water label, which certifies the potability of the water it distributes and allows citizens to check the values of the main chemical, physical and microbiological parameters analysed.

The data provided by our analysis laboratories confirms that the tap water is safe, healthy and of superior quality, with a good balance of mineral salts and dissolved substances.

Drinking tap water is a safe move and is good for the environment.

How to read the water label

The water label shows an analysis of the parameters of the water’s characteristics, such as its pH, dry residue, hardness, and electrical conductivity, as well as the respective limit values. 

  • pH of the water (values for drinking water can range from 6.5 to 9.5)
  • total mineral content (also called dry residue at 180°C, with a maximum value of 1,500 mg/l)
  • water hardness (the recommended limit is between 15 and 50 °F)
  • electrical conductivity (the value normally ranges from 100 to 1,000 µS/cm, while the maximum permitted is 2,500 µS/cm)

The values of the chemical and physical analysis are compared to the limits set out in Legislative Decree 31/2001 for drinking water:

  • macro-minerals (Sulphates, Chlorides, Nitrates, Nitrites, Bicarbonates, Ammonium, Chlorites, Fluorides, Calcium, Sodium, Magnesium, Potassium)
  • heavy metals (Iron, Manganese, Chromium, Arsenic, Lead, Nickel)
  • chemical solvents (Chlorinated and Aromatic)
  • micro-pollutants (herbicides, pesticides, other synthetic chemicals)

In addition to the chemical and physical composition, microbiological parameters are also evaluated, including:

  • Coliform bacteria at 37°C
  • Escherichia coli
  • Enterococcus
  • Pseudomonas aeruginosa

To view the qualitative characteristics of the water supply and to learn about its chemical and physical parameters, you can use the map below. You can type in the address of your municipality or you can move around the map to choose a specific point of interest.

Search for a water label