VAL AU PERCHE (PECHERIE) · Saint-Martin-du-Vieux-Bellême
SAUR FRANCE
Water safety
Water safety
Parameter
Unfiltered tap water
Allowed range
Filtered
Free Chlorinemg CL2/l
0.14 ● (Near the limit)
0.2 – 1
0.003 ▲
Total Chlorinemg CL2/l
0.16
No limit
0.032
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
18
No limit
18
Hardnessmg CaCO3/l
324
80 – 459
324
Hardness fF
32.4
No limit
32.4
pH
7.5
6.5 – 9.5
7.5
TurbidityNTU
0.2
≤ 4
0.02
ConductivityμS / cm
674
≤ 2,500
674
TDSmg/l
431.4estimated
0 – 1,199
431.4
Alkalinitymg CaCO3/l
286
No limit
286
Bicarbonatemg HCO3/l
349
No limit
349
Pathogens
Pathogens
Parameter
Unfiltered tap water
Allowed range
Filtered
ClostridiumUFC/100ml
0Sampled Oct 2025
≤ 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
10
≤ 50
0.5
Fluoridemg F/l
0.1
≤ 1.5
0.031
Mercuryμg Hg/l
0.05
≤ 1
0.005
Nitritesmg NO2/l
0.01
≤ 0.5
0.004
Nitratesmg NO3/l
16
≤ 50
4.8
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
6.1
No limit
6.1
Calciummg/l
130
No limit
130
Potassiummg/l
4.6
No limit
4.6
Chloridemg/l
20
≤ 250
20
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Aluminiumμg/l
2
≤ 200
2
Antimonyμg/l
0.5
≤ 5
0.5
Arsenicμg/l
0.84
≤ 10
0.42
Bariumμg/l
1.5
≤ 1,000
1.5
Cadmiumμg/l
0.025
≤ 5
0.025
Chromiumμg/l
1
≤ 50
1
Ironμg/l
4.9
≤ 200
4.9
Manganeseμg/l
1
≤ 50
1
Leadμg/l
Not reported
≤ 10
—
Seleniumμg/l
0.5
≤ 10
0.5
Sodiummg/l
9.3
≤ 200
9.3
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Trichloroethyleneμg/l
0.05
No limit
0.003
Total Trihalomethanesμg/l
12.5
≤ 100
0.63
Haloacetic acids
Haloacetic acids
Parameter
Unfiltered tap water
Allowed range
Filtered
Total haloacetic acidsμg/l
1.41
≤ 60
0.071
Pesticides
Pesticides
Parameter
Unfiltered tap water
Allowed range
Filtered
Heptachlorug/L
0.005
≤ 0.4
0.005
Total pesticidesug/L
0.081
≤ 0.5
0.081
Herbicides
Herbicides
Parameter
Unfiltered tap water
Allowed range
Filtered
D 2 4ug/L
0.02
≤ 70
0.02
Atrazineug/L
0.01
≤ 3
0.01
Perfluorinated chemicals
Perfluorinated chemicals
Parameter
Unfiltered tap water
Allowed range
Filtered
PFOAug/L
0.001
No limit
0.001
PFOSug/L
0.001
No limit
0.001
PFNAug/L
0.001
No limit
0.001
Total PFASug/L
0
≤ 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
31
No limit
31
Uraniumug/L
0.32
No limit
0.32
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.
