LFA LEIGNEUX ST SIXTE · Sainte-Agathe-la-Bouteresse
CA LOIRE FOREZ AGGLOMÉRATION
Water safety
Water safety
Parameter
Unfiltered tap water
Allowed range
Filtered
Free Chlorinemg CL2/l
0.32
0.2 – 1
0.006 ▲
Total Chlorinemg CL2/l
0.36
No limit
0.072
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
22
No limit
22
Hardnessmg CaCO3/l
16.1 ● (Near the limit)
80 – 459
16.1 ●
Hardness fF
1.61
No limit
1.61
pH
6.5
6.5 – 9.5
6.5
TurbidityNTU
0.1
≤ 4
0.01
ColorColor Units
5
≤ 15
5
ConductivityμS / cm
64
≤ 2,500
64
TDSmg/l
41estimated
0 – 1,199
41
Alkalinitymg CaCO3/l
15.6
No limit
15.6
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 May 2026
≤ 50
0.5
Fluoridemg F/l
0.05Sampled May 2026
≤ 1.5
0.015
Mercuryμg Hg/l
0.5Sampled May 2026
≤ 1
0.05
Nitritesmg NO2/l
0.01
≤ 0.5
0.004
Nitratesmg NO3/l
3.6
≤ 50
1.08
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
1
No limit
1
Calciummg/l
4.8
No limit
4.8
Potassiummg/l
0.8Sampled May 2026
No limit
0.8
Chloridemg/l
7.1
≤ 250
7.1
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Aluminiumμg/l
10Sampled May 2026
≤ 200
10
Antimonyμg/l
1Sampled May 2026
≤ 5
1
Arsenicμg/l
2Sampled May 2026
≤ 10
1
Bariumμg/l
10Sampled May 2026
≤ 1,000
10
Cadmiumμg/l
1Sampled May 2026
≤ 5
1
Chromiumμg/l
5Sampled May 2026
≤ 50
5
Copperμg/l
72Sampled May 2026
≤ 2,000
3.6
Ironμg/l
10Sampled May 2026
≤ 200
10
Manganeseμg/l
10Sampled May 2026
≤ 50
10
Leadμg/l
2Sampled May 2026
≤ 10
0.1
Nickelμg/l
5Sampled May 2026
≤ 20
5
Seleniumμg/l
2Sampled May 2026
≤ 10
2
Sodiummg/l
4.1Sampled May 2026
≤ 200
4.1
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Trichloroethyleneμg/l
0.1Sampled May 2026
No limit
0.005
Total Trihalomethanesμg/l
6.22
≤ 100
0.31
Haloacetic acids
Haloacetic acids
Parameter
Unfiltered tap water
Allowed range
Filtered
Total haloacetic acidsμg/l
1.3Sampled May 2026
≤ 60
0.065
Pesticides
Pesticides
Parameter
Unfiltered tap water
Allowed range
Filtered
Heptachlorug/L
0.005Sampled May 2026
≤ 0.4
0.005
Total pesticidesug/L
0.5 ● (Near the limit)Sampled May 2026
≤ 0.5
0.5 ●
Herbicides
Herbicides
Parameter
Unfiltered tap water
Allowed range
Filtered
D 2 4ug/L
0.02Sampled May 2026
≤ 70
0.02
Atrazineug/L
0.005Sampled May 2026
≤ 3
0.005
Perfluorinated chemicals
Perfluorinated chemicals
Parameter
Unfiltered tap water
Allowed range
Filtered
PFOAug/L
0.001Sampled May 2026
No limit
0.001
PFOSug/L
0.001Sampled May 2026
No limit
0.001
PFNAug/L
0.001Sampled May 2026
No limit
0.001
Total PFASug/L
0.029Sampled May 2026
≤ 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
3
No limit
3
Uraniumug/L
10Sampled May 2026
No limit
10
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.
