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CUCHERON LA COCHE · Saint-Pierre-de-Chartreuse

SAUR

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
TemperatureC14.3No limit14.3
Hardnessmg CaCO3/l173.680 – 459173.6
Hardness fF17.4No limit17.4
pH7.76.5 – 9.57.7
TurbidityNTU0.11≤ 40.011
ColorColor Units5≤ 155
ConductivityμS / cm333≤ 2,500333
TDSmg/l213.1estimated0 – 1,199213.1
Alkalinitymg CaCO3/l158.5No limit158.5

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/l0.7≤ 500.21

Minerals

Minerals
ParameterUnfiltered tap waterAllowed rangeFiltered
Chloridemg/l0.9≤ 2500.9

Metals

Metals
ParameterUnfiltered tap waterAllowed rangeFiltered
Antimonyμg/l1Sampled Aug 2025≤ 51
Arsenicμg/lNot reported≤ 10—
Cadmiumμg/l1Sampled Aug 2025≤ 51
Chromiumμg/l5Sampled Aug 2025≤ 505
Copperμg/l51Sampled Aug 2025≤ 2,0002.55
Leadμg/l2Sampled Aug 2025≤ 100.1
Nickelμg/l5Sampled Aug 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/l10.3No limit10.3

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.