LE CRAONNAIS SERVICE HAUT · Saint-Saturnin-du-Limet
VEOLIA EAU-COMPAGNIE GENERALE DES EAUX
Water safety
Water safety
Parameter
Unfiltered tap water
Allowed range
Filtered
Free Chlorinemg CL2/l
0.09 ● (Near the limit)
0.2 – 1
0.002 ▲
Total Chlorinemg CL2/l
0.15
No limit
0.03
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
22.4
No limit
22.4
Hardnessmg CaCO3/l
282
80 – 459
282
Hardness fF
28.2
No limit
28.2
pH
7.7
6.5 – 9.5
7.7
TurbidityNTU
0.3
≤ 4
0.03
ColorColor Units
5
≤ 15
5
ConductivityμS / cm
599
≤ 2,500
599
TDSmg/l
383.4estimated
0 – 1,199
383.4
Alkalinitymg CaCO3/l
208
No limit
208
Bicarbonatemg HCO3/l
234Sampled Apr 2026
No limit
234
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
5Sampled Apr 2026
≤ 50
0.25
Fluoridemg F/l
0.12Sampled Apr 2026
≤ 1.5
0.035
Mercuryμg Hg/l
0.01Sampled Apr 2026
≤ 1
0.001
Nitritesmg NO2/l
0.01
≤ 0.5
0.004
Nitratesmg NO3/l
2.1
≤ 50
0.63
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
11.6Sampled Apr 2026
No limit
11.6
Calciummg/l
80.7Sampled Apr 2026
No limit
80.7
Potassiummg/l
5Sampled Apr 2026
No limit
5
Chloridemg/l
29.4
≤ 250
29.4
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Aluminiumμg/l
6Sampled Apr 2026
≤ 200
6
Antimonyμg/l
0.18Sampled Apr 2026
≤ 5
0.18
Arsenicμg/l
1.2Sampled Apr 2026
≤ 10
0.6
Bariumμg/l
17Sampled Apr 2026
≤ 1,000
17
Cadmiumμg/l
0.02Sampled Apr 2026
≤ 5
0.02
Chromiumμg/l
0.4Sampled Apr 2026
≤ 50
0.4
Copperμg/l
17Sampled Jul 2025
≤ 2,000
0.85
Ironμg/l
5
≤ 200
5
Manganeseμg/l
0.5
≤ 50
0.5
Leadμg/l
0.5Sampled Jul 2025
≤ 10
0.025
Nickelμg/l
1.1Sampled Jul 2025
≤ 20
1.1
Seleniumμg/l
0.3Sampled Apr 2026
≤ 10
0.3
Sodiummg/l
19.7Sampled Apr 2026
≤ 200
19.7
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Trichloroethyleneμg/l
0.1Sampled Apr 2026
No limit
0.005
Total Trihalomethanesμg/l
37
≤ 100
1.85
Pesticides
Pesticides
Parameter
Unfiltered tap water
Allowed range
Filtered
Chlordaneug/L
0Sampled Apr 2026
≤ 2
0
Heptachlorug/L
0.001Sampled Apr 2026
≤ 0.4
0.001
Total pesticidesug/L
0Sampled Apr 2026
≤ 0.5
0
Herbicides
Herbicides
Parameter
Unfiltered tap water
Allowed range
Filtered
D 2 4ug/L
0.02Sampled Apr 2026
≤ 70
0.02
Atrazineug/L
0.01Sampled Apr 2026
≤ 3
0.01
Perfluorinated chemicals
Perfluorinated chemicals
Parameter
Unfiltered tap water
Allowed range
Filtered
PFOAug/L
0.001Sampled Apr 2026
No limit
0.001
PFOSug/L
0.002Sampled Apr 2026
No limit
0.002
PFNAug/L
0.001Sampled Apr 2026
No limit
0.001
Total PFASug/L
0.002Sampled Apr 2026
≤ 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
0.013
No limit
0.004
Sulfatemg/l
59.6
No limit
59.6
Uraniumug/L
2.4Sampled Apr 2026
No limit
2.4
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.
