ST PIERRE D ENTREMONT VILLAGE · Saint-Pierre-de-Chartreuse
MAIRIE DE SAINT-PIERRE-D'ENTREMONT
Water safety
Water safety
Parameter
Unfiltered tap water
Allowed range
Filtered
Free Chlorinemg CL2/l
0.05 ● (Near the limit)
0.2 – 1
0.001 ▲
Total Chlorinemg CL2/l
0.05
No limit
0.01
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
6.9
No limit
6.9
Hardnessmg CaCO3/l
134.9
80 – 459
134.9
Hardness fF
13.5
No limit
13.5
pH
7.8
6.5 – 9.5
7.8
TurbidityNTU
0.27
≤ 4
0.027
ColorColor Units
5
≤ 15
5
ConductivityμS / cm
248
≤ 2,500
248
TDSmg/l
158.7estimated
0 – 1,199
158.7
Alkalinitymg CaCO3/l
127.5
No limit
127.5
Pathogens
Pathogens
Parameter
Unfiltered tap water
Allowed range
Filtered
ClostridiumUFC/100ml
0
≤ 0
0
eColiUFC/100ml
0
≤ 0
0
BacteriasNMP/100ml
0
≤ 0
0
EnterococcusUFC/100ml
0
≤ 0
0
Chemical parameters
Chemical parameters
Parameter
Unfiltered tap water
Allowed range
Filtered
Cyanide totalμg CN/l
10Sampled Aug 2025
≤ 50
0.5
Fluoridemg F/l
0.05Sampled Aug 2025
≤ 1.5
0.015
Mercuryμg Hg/l
0.01Sampled Aug 2025
≤ 1
0.001
Nitritesmg NO2/l
0.01
≤ 0.5
0.004
Nitratesmg NO3/l
1.86
≤ 50
0.56
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Potassiummg/l
0.2Sampled Aug 2025
No limit
0.2
Chloridemg/l
0.6
≤ 250
0.6
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Aluminiumμg/l
10Sampled Aug 2025
≤ 200
10
Arsenicμg/l
2Sampled Aug 2025
≤ 10
1
Bariumμg/l
10Sampled Aug 2025
≤ 1,000
10
Ironμg/l
10Sampled Aug 2025
≤ 200
10
Manganeseμg/l
10Sampled Aug 2025
≤ 50
10
Leadμg/l
Not reported
≤ 10
—
Seleniumμg/l
2Sampled Aug 2025
≤ 10
2
Sodiummg/l
0.7Sampled Aug 2025
≤ 200
0.7
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Trichloroethyleneμg/l
0.1Sampled Aug 2025
No limit
0.005
Total Trihalomethanesμg/l
0.5Sampled Aug 2025
≤ 100
0.025
Pesticides
Pesticides
Parameter
Unfiltered tap water
Allowed range
Filtered
Heptachlorug/L
0.005Sampled Aug 2025
≤ 0.4
0.005
Total pesticidesug/L
0.5 ● (Near the limit)Sampled Aug 2025
≤ 0.5
0.5 ●
Herbicides
Herbicides
Parameter
Unfiltered tap water
Allowed range
Filtered
D 2 4ug/L
0.02Sampled Aug 2025
≤ 70
0.02
Atrazineug/L
0.005Sampled Aug 2025
≤ 3
0.005
Perfluorinated chemicals
Perfluorinated chemicals
Parameter
Unfiltered tap water
Allowed range
Filtered
PFOAug/L
0.001Sampled Aug 2025
No limit
0.001
PFOSug/L
0.001Sampled Aug 2025
No limit
0.001
PFNAug/L
0.001Sampled Aug 2025
No limit
0.001
Total PFASug/L
0.029Sampled Aug 2025
≤ 0.1
0.003
PFAS 4ng/l
Not reported
No limit
—
PFAS 21ng/l
Not reported
No limit
—
Other
Other
Parameter
Unfiltered tap water
Allowed range
Filtered
Ammoniamg/l
0.01
No limit
0.003
Sulfatemg/l
4.4
No limit
4.4
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.
