ST BONNET LE COURREAU LA FARGE · Saint-Bonnet-le-Courreau
CA LOIRE FOREZ AGGLOMÉRATION
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
0.09
No limit
0.018
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
17.4
No limit
17.4
Hardnessmg CaCO3/l
37.6 ● (Near the limit)
80 – 459
37.6 ●
Hardness fF
3.76
No limit
3.76
pH
7.1
6.5 – 9.5
7.1
TurbidityNTU
0.1
≤ 4
0.01
ColorColor Units
5
≤ 15
5
ConductivityμS / cm
153
≤ 2,500
153
TDSmg/l
97.9estimated
0 – 1,199
97.9
Alkalinitymg CaCO3/l
21
No limit
21
Pathogens
Pathogens
Parameter
Unfiltered tap water
Allowed range
Filtered
ClostridiumUFC/100ml
0
≤ 0
0
eColiUFC/100ml
0
≤ 0
0
BacteriasNMP/100ml
0Sampled Apr 2026
≤ 0
0
EnterococcusUFC/100ml
0
≤ 0
0
Chemical parameters
Chemical parameters
Parameter
Unfiltered tap water
Allowed range
Filtered
Cyanide totalμg CN/l
10Sampled Aug 2025
≤ 50
0.5
Fluoridemg F/l
0.05Sampled Aug 2025
≤ 1.5
0.015
Mercuryμg Hg/l
0.01Sampled Aug 2025
≤ 1
0.001
Nitritesmg NO2/l
0.01
≤ 0.5
0.004
Nitratesmg NO3/l
14.5
≤ 50
4.35
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
2.4
No limit
2.4
Calciummg/l
11.1
No limit
11.1
Potassiummg/l
1.7Sampled Aug 2025
No limit
1.7
Chloridemg/l
22.9
≤ 250
22.9
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Aluminiumμg/l
10Sampled Aug 2025
≤ 200
10
Antimonyμg/l
1Sampled Feb 2025
≤ 5
1
Arsenicμg/l
2Sampled Aug 2025
≤ 10
1
Bariumμg/l
21Sampled Aug 2025
≤ 1,000
21
Cadmiumμg/l
1Sampled Feb 2025
≤ 5
1
Chromiumμg/l
5Sampled Feb 2025
≤ 50
5
Ironμg/l
38Sampled Aug 2025
≤ 200
38
Manganeseμg/l
10Sampled Aug 2025
≤ 50
10
Leadμg/l
Not reported
≤ 10
—
Seleniumμg/l
2Sampled Aug 2025
≤ 10
2
Sodiummg/l
9.8Sampled Aug 2025
≤ 200
9.8
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Trichloroethyleneμg/l
0.1Sampled Aug 2025
No limit
0.005
Total Trihalomethanesμg/l
1.03Sampled Aug 2025
≤ 100
0.052
Pesticides
Pesticides
Parameter
Unfiltered tap water
Allowed range
Filtered
Heptachlorug/L
0.005Sampled Aug 2025
≤ 0.4
0.005
Total pesticidesug/L
0.5 ● (Near the limit)Sampled Aug 2025
≤ 0.5
0.5 ●
Herbicides
Herbicides
Parameter
Unfiltered tap water
Allowed range
Filtered
D 2 4ug/L
0.02Sampled Aug 2025
≤ 70
0.02
Atrazineug/L
0.005Sampled Aug 2025
≤ 3
0.005
Perfluorinated chemicals
Perfluorinated chemicals
Parameter
Unfiltered tap water
Allowed range
Filtered
PFOAug/L
0.001Sampled Aug 2025
No limit
0.001
PFOSug/L
0.001Sampled Aug 2025
No limit
0.001
PFNAug/L
0.001Sampled Aug 2025
No limit
0.001
Total PFASug/L
0.029Sampled Aug 2025
≤ 0.1
0.003
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
8
No limit
8
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.
