LE CRAONNAIS SERVICE BAS · 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
0.1 ● (Near the limit)
0.2 – 1
0.002 ▲
Total Chlorinemg CL2/l
0.21
No limit
0.042
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
24
No limit
24
Hardnessmg CaCO3/l
204
80 – 459
204
Hardness fF
20.4
No limit
20.4
pH
8.1
6.5 – 9.5
8.1
TurbidityNTU
0.3
≤ 4
0.03
ColorColor Units
5
≤ 15
5
ConductivityμS / cm
553
≤ 2,500
553
TDSmg/l
353.9estimated
0 – 1,199
353.9
Alkalinitymg CaCO3/l
155
No limit
155
Bicarbonatemg HCO3/l
198Sampled Jun 2026
No limit
198
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 Oct 2025
≤ 50
0.25
Fluoridemg F/l
0.08Sampled Oct 2025
≤ 1.5
0.024
Mercuryμg Hg/l
0.015Sampled Oct 2025
≤ 1
0.002
Nitritesmg NO2/l
0.01
≤ 0.5
0.004
Nitratesmg NO3/l
8.2
≤ 50
2.46
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
9.5Sampled Jun 2026
No limit
9.5
Calciummg/l
70Sampled Jun 2026
No limit
70
Potassiummg/l
4.8Sampled Jun 2026
No limit
4.8
Chloridemg/l
56.3
≤ 250
56.3
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Aluminiumμg/l
37Sampled Oct 2025
≤ 200
37
Antimonyμg/l
0.3Sampled Sept 2025
≤ 5
0.3
Arsenicμg/l
0.8Sampled Oct 2025
≤ 10
0.4
Bariumμg/l
20Sampled Oct 2025
≤ 1,000
20
Cadmiumμg/l
0.01Sampled Sept 2025
≤ 5
0.01
Chromiumμg/l
0.7Sampled Sept 2025
≤ 50
0.7
Copperμg/l
43Sampled Jun 2026
≤ 2,000
2.15
Ironμg/l
3
≤ 200
3
Manganeseμg/l
0.5
≤ 50
0.5
Leadμg/l
0.3Sampled Jun 2026
≤ 10
0.015
Nickelμg/l
1Sampled Jun 2026
≤ 20
1
Seleniumμg/l
0.2Sampled Oct 2025
≤ 10
0.2
Sodiummg/l
22.1Sampled Jun 2026
≤ 200
22.1
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Trichloroethyleneμg/l
0.1Sampled Oct 2025
No limit
0.005
Total Trihalomethanesμg/l
47
≤ 100
2.35
Haloacetic acids
Haloacetic acids
Parameter
Unfiltered tap water
Allowed range
Filtered
Total haloacetic acidsμg/l
3.8Sampled Jun 2026
≤ 60
0.19
Pesticides
Pesticides
Parameter
Unfiltered tap water
Allowed range
Filtered
Chlordaneug/L
0Sampled Oct 2025
≤ 2
0
Heptachlorug/L
0.001Sampled Oct 2025
≤ 0.4
0.001
Total pesticidesug/L
0Sampled Oct 2025
≤ 0.5
0
Herbicides
Herbicides
Parameter
Unfiltered tap water
Allowed range
Filtered
D 2 4ug/L
0.02Sampled Oct 2025
≤ 70
0.02
Atrazineug/L
0.01Sampled Oct 2025
≤ 3
0.01
Perfluorinated chemicals
Perfluorinated chemicals
Parameter
Unfiltered tap water
Allowed range
Filtered
PFOAug/L
0.001Sampled Oct 2025
No limit
0.001
PFOSug/L
0.002Sampled Oct 2025
No limit
0.002
PFNAug/L
0.001Sampled Oct 2025
No limit
0.001
Total PFASug/L
0.007Sampled Oct 2025
≤ 0.1
0.001
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
0.026
No limit
0.008
Sulfatemg/l
37.4
No limit
37.4
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.
