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ESSARDS · 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
TemperatureC3.9No limit3.9
Hardnessmg CaCO3/l119.380 – 459119.3
Hardness fF11.9No limit11.9
pH7.76.5 – 9.57.7
TurbidityNTU0.14≤ 40.014
ColorColor Units5≤ 155
ConductivityμS / cm235≤ 2,500235
TDSmg/l150.4estimated0 – 1,199150.4
Alkalinitymg CaCO3/l129.5No limit129.5

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/l1.11≤ 500.33

Minerals

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

Metals

Metals
ParameterUnfiltered tap waterAllowed rangeFiltered
Arsenicμg/lNot reported≤ 10—
Leadμg/lNot reported≤ 10—

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/l1.6No limit1.6

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.