ST REMY DES MONTS PAR LE PERCHE SUD · Saint-Martin-du-Vieux-Bellême
SIVU PERCHE SUD
Water safety
Water safety
Parameter
Unfiltered tap water
Allowed range
Filtered
Free Chlorinemg CL2/l
0.44
0.2 – 1
0.009 ▲
Total Chlorinemg CL2/l
0.47
No limit
0.094
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
13
No limit
13
Hardnessmg CaCO3/l
330
80 – 459
330
Hardness fF
33
No limit
33
pH
7.4
6.5 – 9.5
7.4
TurbidityNTU
0.2
≤ 4
0.02
ConductivityμS / cm
691
≤ 2,500
691
TDSmg/l
442.2estimated
0 – 1,199
442.2
Alkalinitymg CaCO3/l
270
No limit
270
Bicarbonatemg HCO3/l
322Sampled Jun 2025
No limit
322
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 Jun 2025
≤ 50
0.5
Fluoridemg F/l
0.19Sampled Jun 2025
≤ 1.5
0.057
Mercuryμg Hg/l
0.05Sampled Jun 2025
≤ 1
0.005
Nitritesmg NO2/l
0.01
≤ 0.5
0.004
Nitratesmg NO3/l
17
≤ 50
5.1
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
3.5Sampled Jun 2025
No limit
3.5
Calciummg/l
130Sampled Jun 2025
No limit
130
Potassiummg/l
3.3Sampled Jun 2025
No limit
3.3
Chloridemg/l
18
≤ 250
18
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Aluminiumμg/l
2Sampled Jun 2025
≤ 200
2
Arsenicμg/l
0.25Sampled Jun 2025
≤ 10
0.13
Bariumμg/l
60Sampled Jun 2025
≤ 1,000
60
Ironμg/l
2.3Sampled Jun 2025
≤ 200
2.3
Manganeseμg/l
1Sampled Jun 2025
≤ 50
1
Leadμg/l
Not reported
≤ 10
—
Seleniumμg/l
0.5Sampled Jun 2025
≤ 10
0.5
Sodiummg/l
9.6Sampled Jun 2025
≤ 200
9.6
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Trichloroethyleneμg/l
0.05Sampled Jun 2025
No limit
0.003
Total Trihalomethanesμg/l
4.44Sampled Jun 2025
≤ 100
0.22
Pesticides
Pesticides
Parameter
Unfiltered tap water
Allowed range
Filtered
Heptachlorug/L
0.005Sampled Jun 2025
≤ 0.4
0.005
Total pesticidesug/L
0.13Sampled Jun 2025
≤ 0.5
0.13
Herbicides
Herbicides
Parameter
Unfiltered tap water
Allowed range
Filtered
D 2 4ug/L
0.02Sampled Jun 2025
≤ 70
0.02
Atrazineug/L
0.01Sampled Jun 2025
≤ 3
0.01
Perfluorinated chemicals
Perfluorinated chemicals
Parameter
Unfiltered tap water
Allowed range
Filtered
PFOAug/L
0.001Sampled Jun 2025
No limit
0.001
PFOSug/L
0.001Sampled Jun 2025
No limit
0.001
PFNAug/L
0.001Sampled Jun 2025
No limit
0.001
Total PFASug/L
0.001Sampled Jun 2025
≤ 0.1
0
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
0.05
No limit
0.015
Sulfatemg/l
54
No limit
54
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.
