LFA GRIMARD CHATELNEUF ECARTS LA CHANA · Saint-Bonnet-le-Courreau
CA LOIRE FOREZ AGGLOMÉRATION
Water safety
Water safety
Parameter
Unfiltered tap water
Allowed range
Filtered
Free Chlorinemg CL2/l
0.15 ● (Near the limit)
0.2 – 1
0.003 ▲
Total Chlorinemg CL2/l
0.2
No limit
0.04
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
22.3
No limit
22.3
Hardnessmg CaCO3/l
87.9
80 – 459
87.9
Hardness fF
8.79
No limit
8.79
pH
7.6
6.5 – 9.5
7.6
TurbidityNTU
0.11
≤ 4
0.011
ColorColor Units
5
≤ 15
5
ConductivityμS / cm
225
≤ 2,500
225
TDSmg/l
144estimated
0 – 1,199
144
Alkalinitymg CaCO3/l
88.5
No limit
88.5
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
17.3
≤ 50
5.19
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
2.1
No limit
2.1
Calciummg/l
31.7
No limit
31.7
Chloridemg/l
5.4
≤ 250
5.4
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Antimonyμg/l
1Sampled Apr 2025
≤ 5
1
Arsenicμg/l
Not reported
≤ 10
—
Cadmiumμg/l
1Sampled Apr 2025
≤ 5
1
Chromiumμg/l
5Sampled Apr 2025
≤ 50
5
Ironμg/l
15Sampled Apr 2025
≤ 200
15
Leadμg/l
Not reported
≤ 10
—
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
4.5
No limit
4.5
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.
