SEM STE CROIX/JAREZ LE COGNET · Saint-Laurent-la-Conche
SUEZ RAA SIEGE
Water safety
Water safety
Parameter
Unfiltered tap water
Allowed range
Filtered
Free Chlorinemg CL2/l
0.05 ● (Near the limit)
0.2 – 1
0.001 ▲
Total Chlorinemg CL2/l
0.08
No limit
0.016
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
24.2
No limit
24.2
Hardnessmg CaCO3/l
228.5
80 – 459
228.5
Hardness fF
22.9
No limit
22.9
pH
8
6.5 – 9.5
8
TurbidityNTU
0.1
≤ 4
0.01
ColorColor Units
5
≤ 15
5
ConductivityμS / cm
525
≤ 2,500
525
TDSmg/l
336estimated
0 – 1,199
336
Alkalinitymg CaCO3/l
213
No limit
213
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
Mercuryμg Hg/l
Not reported
≤ 1
—
Nitritesmg NO2/l
0.01
≤ 0.5
0.004
Nitratesmg NO3/l
12.3
≤ 50
3.69
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
5.4
No limit
5.4
Calciummg/l
82.5
No limit
82.5
Chloridemg/l
26
≤ 250
26
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Antimonyμg/l
1Sampled Sept 2025
≤ 5
1
Arsenicμg/l
Not reported
≤ 10
—
Cadmiumμg/l
1Sampled Sept 2025
≤ 5
1
Chromiumμg/l
5Sampled Sept 2025
≤ 50
5
Ironμg/l
10Sampled Sept 2025
≤ 200
10
Leadμg/l
Not reported
≤ 10
—
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Total Trihalomethanesμg/l
39.4Sampled Sept 2025
≤ 100
1.97
Perfluorinated chemicals
Perfluorinated chemicals
Parameter
Unfiltered tap water
Allowed range
Filtered
Total PFASug/L
Not reported
≤ 0.1
—
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
0.01
No limit
0.003
Sulfatemg/l
37.2
No limit
37.2
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.
