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WATER QUALITY

Comparison between Hera drinking water and mineral water


Quality parameter comparison between Hera water and commercially available mineral water products
 Mineral waters (min-max)Legal limits L.D. 31/2001BolognaFerraraForlė - CesenaModenaPaduaPesaro-UrbinoRavennaRiminiTrieste
pH6.5-8.16.5-9.57.57.67.77.57.67.77.77.67.8
Hardness(°F)1-8850*302124332529222720
Fixed solids at 180° (mg/l)22-9871,500*441356369564310399404441248
Sodium (mg/l)0.3-672002622165752427279
Fluorides (mg/l)0.03-11.5< 0.10< 0.10< 0.10< 0.10< 0.100.2< 0.10< 0.10< 0.10
Nitrates (mg/l)1-95076615146597
Chlorides (mg/l)0.2-8025034292091930353514


Comparison carried out using the data provided for 28 commercially available still mineral waters, published by the magazine, Altroconsumo (issue no. 184 July/August 2005). For pH and chlorides, the data indicated on the labels of nine mass market distributed mineral waters was used. The data regarding Hera water refers to the average values of 6,035 analyses carried out according to the frequency and withdrawal points on the distribution network set forth in the control and monitoring plan for the water system.

 

Page updated 29 April 2020

 
 
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