ST BONNET LE COURREAU BOURG · Saint-Bonnet-le-Courreau
CA LOIRE FOREZ AGGLOMÉRATION
Water safety
Water safety
Parameter
Unfiltered tap water
Allowed range
Filtered
Free Chlorinemg CL2/l
0.04 ● (Near the limit)
0.2 – 1
0.001 ▲
Total Chlorinemg CL2/l
0.07
No limit
0.014
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
15.8
No limit
15.8
Hardnessmg CaCO3/l
6.2 ● (Near the limit)
80 – 459
6.2 ●
Hardness fF
0.62
No limit
0.62
pH
6.8
6.5 – 9.5
6.8
TurbidityNTU
0.1
≤ 4
0.01
ColorColor Units
5
≤ 15
5
ConductivityμS / cm
50
≤ 2,500
50
Alkalinitymg CaCO3/l
8.5
No limit
8.5
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
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
0.9
≤ 50
0.27
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
0.3
No limit
0.3
Calciummg/l
2
No limit
2
Potassiummg/l
0.5Sampled Aug 2025
No limit
0.5
Chloridemg/l
0.7
≤ 250
0.7
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
10Sampled Aug 2025
≤ 1,000
10
Cadmiumμg/l
1Sampled Feb 2025
≤ 5
1
Chromiumμg/l
5Sampled Feb 2025
≤ 50
5
Ironμg/l
10Sampled Aug 2025
≤ 200
10
Manganeseμg/l
10Sampled Aug 2025
≤ 50
10
Leadμg/l
Not reported
≤ 10
—
Seleniumμg/l
2Sampled Aug 2025
≤ 10
2
Sodiummg/l
1.9Sampled Aug 2025
≤ 200
1.9
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
0.31Sampled Apr 2025
≤ 100
0.016
Pesticides
Pesticides
Parameter
Unfiltered tap water
Allowed range
Filtered
Heptachlorug/L
0.005Sampled Apr 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
1.7
No limit
1.7
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.
