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PONSONNAS RESEAU · Saint-Pierre-de-Méaroz

VEOLIA SECTEUR ISERE-SAVOIE

Water safety

Water safety
ParameterUnfiltered tap waterAllowed rangeFiltered
Free Chlorinemg CL2/l0.05 (Near the limit)0.2 – 10.001
Total Chlorinemg CL2/l0.05No limit0.01

General

General
ParameterUnfiltered tap waterAllowed rangeFiltered
TemperatureC22.1No limit22.1
Hardnessmg CaCO3/l67.8 (Near the limit)80 – 45967.8
Hardness fF6.78No limit6.78
pH8.16.5 – 9.58.1
TurbidityNTU0.12≤ 40.012
ColorColor Units5≤ 155
ConductivityμS / cm164≤ 2,500164
TDSmg/l105estimated0 – 1,199105
Alkalinitymg CaCO3/l66.5No limit66.5

Pathogens

Pathogens
ParameterUnfiltered tap waterAllowed rangeFiltered
ClostridiumUFC/100ml0≤ 00
eColiUFC/100ml0≤ 00
BacteriasNMP/100ml0≤ 00
EnterococcusUFC/100ml0≤ 00

Chemical parameters

Chemical parameters
ParameterUnfiltered tap waterAllowed rangeFiltered
Mercuryμg Hg/lNot reported≤ 1—
Nitritesmg NO2/l0.01≤ 0.50.004
Nitratesmg NO3/l1≤ 500.3

Minerals

Minerals
ParameterUnfiltered tap waterAllowed rangeFiltered
Chloridemg/l0.5≤ 2500.5

Metals

Metals
ParameterUnfiltered tap waterAllowed rangeFiltered
Antimonyμg/l1Sampled Jul 2025≤ 51
Arsenicμg/lNot reported≤ 10—
Cadmiumμg/l1Sampled Jul 2025≤ 51
Chromiumμg/l5Sampled Jul 2025≤ 505
Copperμg/l23Sampled Jul 2025≤ 2,0001.15
Leadμg/l2Sampled Jul 2025≤ 100.1
Nickelμg/l5Sampled Jul 2025≤ 205

Perfluorinated chemicals

Perfluorinated chemicals
ParameterUnfiltered tap waterAllowed rangeFiltered
Total PFASug/LNot reported≤ 0.1—
PFAS 4ng/lNot reportedNo limit—
PFAS 21ng/lNot reportedNo limit—

Other

Other
ParameterUnfiltered tap waterAllowed rangeFiltered
Ammoniamg/l0.01No limit0.003
Sulfatemg/l23No limit23

Data from the French health inspection of drinking water (Ministry of Health, regional health agencies), per distribution unit. Quality ranges are based on WHO guidelines, EU Directive 2020/2184 and the French public health code.