Skip to content
Filter your tap water with TAPP Water
TappwaterYour Water Quality
← Back to summary

See all parameters

COLOMBAISE · Saint-Pierre-de-Chartreuse

MAIRIE DE ENTRE-DEUX-GUIERS

Water safety

Water safety
ParameterUnfiltered tap waterAllowed rangeFiltered
Free Chlorinemg CL2/l0.08 (Near the limit)0.2 – 10.002
Total Chlorinemg CL2/l0.1No limit0.02

General

General
ParameterUnfiltered tap waterAllowed rangeFiltered
TemperatureC12.4No limit12.4
Hardnessmg CaCO3/l136.280 – 459136.2
Hardness fF13.6No limit13.6
pH7.66.5 – 9.57.6
TurbidityNTU0.13≤ 40.013
ColorColor Units5≤ 155
ConductivityμS / cm260≤ 2,500260
TDSmg/l166.4estimated0 – 1,199166.4
Alkalinitymg CaCO3/l136.5No limit136.5

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/l1.5≤ 500.45

Minerals

Minerals
ParameterUnfiltered tap waterAllowed rangeFiltered
Chloridemg/l0.6≤ 2500.6

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/l5.5No limit5.5

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.