SAINT SYMPHORIEN LES BRUYERES · Saint-Evroult-Notre-Dame-du-Bois
SAEP DU PERCHER
Water safety
Water safety
Parameter
Unfiltered tap water
Allowed range
Filtered
Free Chlorinemg CL2/l
0.46
0.2 – 1
0.009 ▲
Total Chlorinemg CL2/l
0.49
No limit
0.098
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
13
No limit
13
Hardnessmg CaCO3/l
222
80 – 459
222
Hardness fF
22.2
No limit
22.2
pH
7.2
6.5 – 9.5
7.2
TurbidityNTU
0.25
≤ 4
0.025
ConductivityμS / cm
479
≤ 2,500
479
TDSmg/l
306.6estimated
0 – 1,199
306.6
Alkalinitymg CaCO3/l
213
No limit
213
Bicarbonatemg HCO3/l
260
No limit
260
Pathogens
Pathogens
Parameter
Unfiltered tap water
Allowed range
Filtered
ClostridiumUFC/100ml
0Sampled Mar 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
0.072
≤ 1.5
0.022
Mercuryμg Hg/l
0.05
≤ 1
0.005
Nitritesmg NO2/l
0.01
≤ 0.5
0.004
Nitratesmg NO3/l
7.2
≤ 50
2.16
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
3.9
No limit
3.9
Calciummg/l
83
No limit
83
Potassiummg/l
0.63
No limit
0.63
Chloridemg/l
20
≤ 250
20
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Aluminiumμg/l
3.8
≤ 200
3.8
Arsenicμg/l
0.25
≤ 10
0.13
Bariumμg/l
22
≤ 1,000
22
Ironμg/l
6.1
≤ 200
6.1
Manganeseμg/l
1
≤ 50
1
Leadμg/l
Not reported
≤ 10
—
Seleniumμg/l
1.4
≤ 10
1.4
Sodiummg/l
11
≤ 200
11
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Trichloroethyleneμg/l
0.05
No limit
0.003
Total Trihalomethanesμg/l
0.68
≤ 100
0.034
Pesticides
Pesticides
Parameter
Unfiltered tap water
Allowed range
Filtered
Heptachlorug/L
0.005
≤ 0.4
0.005
Total pesticidesug/L
0
≤ 0.5
0
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
5.7
No limit
5.7
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.