HOPITAL SOUS ROCHEFORT · Sainte-Agathe-la-Bouteresse
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
13.1
No limit
13.1
Hardnessmg CaCO3/l
34.2 ● (Near the limit)
80 – 459
34.2 ●
Hardness fF
3.42
No limit
3.42
pH
6.8
6.5 – 9.5
6.8
TurbidityNTU
0.13
≤ 4
0.013
ColorColor Units
5
≤ 15
5
ConductivityμS / cm
124
≤ 2,500
124
TDSmg/l
79.4estimated
0 – 1,199
79.4
Alkalinitymg CaCO3/l
31
No limit
31
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 Oct 2025
≤ 50
0.5
Fluoridemg F/l
0.12Sampled Oct 2025
≤ 1.5
0.036
Mercuryμg Hg/l
0.01Sampled Oct 2025
≤ 1
0.001
Nitritesmg NO2/l
0.01
≤ 0.5
0.004
Nitratesmg NO3/l
5.2
≤ 50
1.56
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
2
No limit
2
Calciummg/l
10.4
No limit
10.4
Potassiummg/l
2Sampled Oct 2025
No limit
2
Chloridemg/l
12.8
≤ 250
12.8
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Aluminiumμg/l
10Sampled Oct 2025
≤ 200
10
Antimonyμg/l
1Sampled Aug 2025
≤ 5
1
Arsenicμg/l
3Sampled Oct 2025
≤ 10
1.5
Bariumμg/l
16Sampled Oct 2025
≤ 1,000
16
Cadmiumμg/l
1Sampled Aug 2025
≤ 5
1
Chromiumμg/l
5Sampled Aug 2025
≤ 50
5
Ironμg/l
10Sampled Oct 2025
≤ 200
10
Manganeseμg/l
10Sampled Oct 2025
≤ 50
10
Leadμg/l
Not reported
≤ 10
—
Seleniumμg/l
2Sampled Oct 2025
≤ 10
2
Sodiummg/l
11.3Sampled Oct 2025
≤ 200
11.3
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Trichloroethyleneμg/l
0.1Sampled Oct 2025
No limit
0.005
Total Trihalomethanesμg/l
4.35Sampled Oct 2025
≤ 100
0.22
Pesticides
Pesticides
Parameter
Unfiltered tap water
Allowed range
Filtered
Heptachlorug/L
0.005Sampled Oct 2025
≤ 0.4
0.005
Total pesticidesug/L
0.005Sampled Oct 2025
≤ 0.5
0.005
Herbicides
Herbicides
Parameter
Unfiltered tap water
Allowed range
Filtered
D 2 4ug/L
0.02Sampled Oct 2025
≤ 70
0.02
Atrazineug/L
0.005Sampled Oct 2025
≤ 3
0.005
Perfluorinated chemicals
Perfluorinated chemicals
Parameter
Unfiltered tap water
Allowed range
Filtered
PFOAug/L
0.001Sampled Oct 2025
No limit
0.001
PFOSug/L
0.001Sampled Oct 2025
No limit
0.001
PFNAug/L
0.001Sampled Oct 2025
No limit
0.001
Total PFASug/L
0.029Sampled Oct 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
5.4
No limit
5.4
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.
