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SAINT PHILIBERT · Saint-Pierre-de-Chartreuse

MAIRIE DE SAINT-PIERRE-D'ENTREMONT

Water safety

Water safety
ParameterUnfiltered tap waterAllowed rangeFiltered
Free Chlorinemg CL2/l0.11 (Near the limit)0.2 – 10.002
Total Chlorinemg CL2/l0.14No limit0.028

General

General
ParameterUnfiltered tap waterAllowed rangeFiltered
TemperatureC7.8No limit7.8
Hardnessmg CaCO3/l158.880 – 459158.8
Hardness fF15.9No limit15.9
pH7.86.5 – 9.57.8
TurbidityNTU0.15≤ 40.015
ColorColor Units5≤ 155
ConductivityμS / cm308≤ 2,500308
TDSmg/l197.1estimated0 – 1,199197.1
Alkalinitymg CaCO3/l159No limit159

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
Cyanide totalμg CN/l10Sampled Aug 2025≤ 500.5
Fluoridemg F/l0.05Sampled Aug 2025≤ 1.50.015
Mercuryμg Hg/l0.01Sampled Aug 2025≤ 10.001
Nitritesmg NO2/l0.01≤ 0.50.004
Nitratesmg NO3/l1.89≤ 500.57

Minerals

Minerals
ParameterUnfiltered tap waterAllowed rangeFiltered
Magnesiummg/l3.8Sampled Aug 2025No limit3.8
Calciummg/l58.4Sampled Aug 2025No limit58.4
Potassiummg/l0.3Sampled Aug 2025No limit0.3
Chloridemg/l0.7≤ 2500.7

Metals

Metals
ParameterUnfiltered tap waterAllowed rangeFiltered
Aluminiumμg/l10Sampled Aug 2025≤ 20010
Arsenicμg/l2Sampled Aug 2025≤ 101
Bariumμg/l10Sampled Aug 2025≤ 1,00010
Ironμg/l10Sampled Aug 2025≤ 20010
Manganeseμg/l10Sampled Aug 2025≤ 5010
Leadμg/lNot reported≤ 10—
Seleniumμg/l2Sampled Aug 2025≤ 102
Sodiummg/l0.9Sampled Aug 2025≤ 2000.9

Chlorine by-products

Chlorine by-products
ParameterUnfiltered tap waterAllowed rangeFiltered
Trichloroethyleneμg/l0.1Sampled Aug 2025No limit0.005
Total Trihalomethanesμg/l2.76Sampled Aug 2025≤ 1000.14

Pesticides

Pesticides
ParameterUnfiltered tap waterAllowed rangeFiltered
Heptachlorug/L0.005Sampled Aug 2025≤ 0.40.005
Total pesticidesug/L0.5 (Near the limit)Sampled Aug 2025≤ 0.50.5

Herbicides

Herbicides
ParameterUnfiltered tap waterAllowed rangeFiltered
D 2 4ug/L0.02Sampled Aug 2025≤ 700.02
Atrazineug/L0.005Sampled Aug 2025≤ 30.005

Perfluorinated chemicals

Perfluorinated chemicals
ParameterUnfiltered tap waterAllowed rangeFiltered
PFOAug/L0.001Sampled Aug 2025No limit0.001
PFOSug/L0.001Sampled Aug 2025No limit0.001
PFNAug/L0.001Sampled Aug 2025No limit0.001
Total PFASug/L0.029Sampled Aug 2025≤ 0.10.003
PFAS 4ng/lNot reportedNo limit—
PFAS 21ng/lNot reportedNo limit—

Other

Other
ParameterUnfiltered tap waterAllowed rangeFiltered
Ammoniamg/l0.01No limit0.003
Sulfatemg/l7.1No limit7.1

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.