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CHERLIEU · Saint-Pierre-de-Chartreuse

SAUR

Water safety

Water safety
ParameterUnfiltered tap waterAllowed rangeFiltered
Free Chlorinemg CL2/l0.310.2 – 10.006
Total Chlorinemg CL2/l0.35No limit0.07

General

General
ParameterUnfiltered tap waterAllowed rangeFiltered
TemperatureC5.1No limit5.1
Hardnessmg CaCO3/l130.980 – 459130.9
Hardness fF13.1No limit13.1
pH7.46.5 – 9.57.4
TurbidityNTU0.19≤ 40.019
ColorColor Units5≤ 155
ConductivityμS / cm262≤ 2,500262
TDSmg/l167.7estimated0 – 1,199167.7
Alkalinitymg CaCO3/l131.5No limit131.5

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
Cyanide totalμg CN/l10Sampled Jun 2025≤ 500.5
Fluoridemg F/l0.05Sampled Jun 2025≤ 1.50.015
Mercuryμg Hg/l0.01Sampled Jun 2025≤ 10.001
Nitritesmg NO2/l0.01≤ 0.50.004
Nitratesmg NO3/l1.3≤ 500.39

Minerals

Minerals
ParameterUnfiltered tap waterAllowed rangeFiltered
Magnesiummg/l2.8Sampled Jun 2025No limit2.8
Calciummg/l48.4Sampled Jun 2025No limit48.4
Potassiummg/l0.3Sampled Jun 2025No limit0.3
Chloridemg/l1≤ 2501

Metals

Metals
ParameterUnfiltered tap waterAllowed rangeFiltered
Aluminiumμg/l68Sampled Jun 2025≤ 20068
Arsenicμg/l2Sampled Jun 2025≤ 101
Bariumμg/l10Sampled Jun 2025≤ 1,00010
Ironμg/l10Sampled Jun 2025≤ 20010
Manganeseμg/l10Sampled Jun 2025≤ 5010
Leadμg/lNot reported≤ 10—
Seleniumμg/l2Sampled Jun 2025≤ 102
Sodiummg/l0.9Sampled Jun 2025≤ 2000.9

Chlorine by-products

Chlorine by-products
ParameterUnfiltered tap waterAllowed rangeFiltered
Trichloroethyleneμg/l0.1Sampled Jun 2025No limit0.005
Total Trihalomethanesμg/l4.41Sampled Jun 2025≤ 1000.22

Pesticides

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

Herbicides

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

Perfluorinated chemicals

Perfluorinated chemicals
ParameterUnfiltered tap waterAllowed rangeFiltered
PFOAug/L0.001Sampled Jun 2025No limit0.001
PFOSug/L0.001Sampled Jun 2025No limit0.001
PFNAug/L0.001Sampled Jun 2025No limit0.001
Total PFASug/L0.028Sampled Jun 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/l6.8No limit6.8

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.