LFA ECARTS LES PINS VIDREZONNE · Chalain-le-Comtal
CA LOIRE FOREZ AGGLOMÉRATION
Water safety
Water safety
Parameter
Unfiltered tap water
Allowed range
Filtered
Free Chlorinemg CL2/l
0.3
0.2 – 1
0.006 ▲
Total Chlorinemg CL2/l
0.3
No limit
0.06
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
21.4
No limit
21.4
Hardnessmg CaCO3/l
42.9 ● (Near the limit)Sampled Jun 2026
80 – 459
42.9 ●
Hardness fF
4.29Sampled Jun 2026
No limit
4.29
pH
7.8
6.5 – 9.5
7.8
TurbidityNTU
0.27Sampled Jun 2026
≤ 4
0.027
ColorColor Units
5Sampled Jun 2026
≤ 15
5
ConductivityμS / cm
116Sampled Jun 2026
≤ 2,500
116
TDSmg/l
74.2Sampled Jun 2026estimated
0 – 1,199
74.2
Alkalinitymg CaCO3/l
51Sampled Jun 2026
No limit
51
Pathogens
Pathogens
Parameter
Unfiltered tap water
Allowed range
Filtered
ClostridiumUFC/100ml
0Sampled Jun 2026
≤ 0
0
eColiUFC/100ml
0Sampled Jun 2026
≤ 0
0
BacteriasNMP/100ml
0Sampled Jun 2026
≤ 0
0
EnterococcusUFC/100ml
0Sampled Jun 2026
≤ 0
0
Chemical parameters
Chemical parameters
Parameter
Unfiltered tap water
Allowed range
Filtered
Mercuryμg Hg/l
Not reported
≤ 1
—
Nitritesmg NO2/l
0.01Sampled Jun 2026
≤ 0.5
0.004
Nitratesmg NO3/l
3.9Sampled Jun 2026
≤ 50
1.17
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
1Sampled Jun 2026
No limit
1
Calciummg/l
15.5Sampled Jun 2026
No limit
15.5
Chloridemg/l
1.5Sampled Jun 2026
≤ 250
1.5
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Arsenicμg/l
Not reported
≤ 10
—
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
0.01Sampled Jun 2026
No limit
0.003
Sulfatemg/l
3.3Sampled Jun 2026
No limit
3.3
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.
