S. HLT-CAUX NIZAS TOURBES ROUJAN COULOBR · Autignac
S. VALLEE DE L'HERAULT
Water safety
Water safety
Parameter
Unfiltered tap water
Allowed range
Filtered
Free Chlorinemg CL2/l
0.03 ▲ (Outside the range)
0.2 – 1
0.001 ▲
Total Chlorinemg CL2/l
0.04
No limit
0.008
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
29.1
No limit
29.1
Hardnessmg CaCO3/l
234.4
80 – 459
234.4
Hardness fF
23.4
No limit
23.4
pH
8.1
6.5 – 9.5
8.1
TurbidityNTU
0.1
≤ 4
0.01
ColorColor Units
5
≤ 15
5
ConductivityμS / cm
537
≤ 2,500
537
TDSmg/l
343.7estimated
0 – 1,199
343.7
Alkalinitymg CaCO3/l
228.5
No limit
228.5
Bicarbonatemg HCO3/l
279
No limit
279
Pathogens
Pathogens
Parameter
Unfiltered tap water
Allowed range
Filtered
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
10
≤ 50
0.5
Fluoridemg F/l
0.11
≤ 1.5
0.033
Mercuryμg Hg/l
0.5
≤ 1
0.05
Nitritesmg NO2/l
0.01
≤ 0.5
0.004
Nitratesmg NO3/l
2.2
≤ 50
0.66
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
16.2
No limit
16.2
Calciummg/l
67.1
No limit
67.1
Potassiummg/l
1.6
No limit
1.6
Chloridemg/l
15.7
≤ 250
15.7
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Aluminiumμg/l
44
≤ 200
44
Antimonyμg/l
1
≤ 5
1
Arsenicμg/l
2.7
≤ 10
1.35
Bariumμg/l
90
≤ 1,000
90
Cadmiumμg/l
1
≤ 5
1
Chromiumμg/l
5
≤ 50
5
Ironμg/l
10
≤ 200
10
Manganeseμg/l
10
≤ 50
10
Leadμg/l
Not reported
≤ 10
—
Seleniumμg/l
2
≤ 10
2
Sodiummg/l
10.2
≤ 200
10.2
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Trichloroethyleneμg/l
0.1
No limit
0.005
Total Trihalomethanesμg/l
64.5
≤ 100
3.23
Haloacetic acids
Haloacetic acids
Parameter
Unfiltered tap water
Allowed range
Filtered
Total haloacetic acidsμg/l
0.9
≤ 60
0.045
Pesticides
Pesticides
Parameter
Unfiltered tap water
Allowed range
Filtered
Heptachlorug/L
0.005
≤ 0.4
0.005
Total pesticidesug/L
0.26
≤ 0.5
0.26
Herbicides
Herbicides
Parameter
Unfiltered tap water
Allowed range
Filtered
D 2 4ug/L
0.02
≤ 70
0.02
Atrazineug/L
0.005
≤ 3
0.005
Perfluorinated chemicals
Perfluorinated chemicals
Parameter
Unfiltered tap water
Allowed range
Filtered
PFOAug/L
0.001
No limit
0.001
PFOSug/L
0.001
No limit
0.001
PFNAug/L
0.001
No limit
0.001
Total PFASug/L
0.029
≤ 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
42.2
No limit
42.2
Uraniumug/L
10
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.
