AIGNAN (PUITS GOUX VIA TASQUE) · Saint-Pierre-d'Aubézies
SIEBAG
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
0.06
No limit
0.012
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
24.7
No limit
24.7
Hardnessmg CaCO3/l
108.3Sampled Jul 2026
80 – 459
108.3
Hardness fF
10.8Sampled Jul 2026
No limit
10.8
pH
7.8
6.5 – 9.5
7.8
TurbidityNTU
0.12
≤ 4
0.012
ColorColor Units
5Sampled Jul 2026
≤ 15
5
ConductivityμS / cm
305
≤ 2,500
305
TDSmg/l
195.2estimated
0 – 1,199
195.2
Alkalinitymg CaCO3/l
117Sampled Jul 2026
No limit
117
Bicarbonatemg HCO3/l
145Sampled Jul 2026
No limit
145
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 Jul 2026
≤ 50
0.5
Fluoridemg F/l
0.1Sampled Jul 2026
≤ 1.5
0.03
Mercuryμg Hg/l
0.5Sampled Jul 2026
≤ 1
0.05
Nitritesmg NO2/l
0.01Sampled Jul 2026
≤ 0.5
0.004
Nitratesmg NO3/l
9.1Sampled Jul 2026
≤ 50
2.73
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
3.1Sampled Jul 2026
No limit
3.1
Calciummg/l
38.2Sampled Jul 2026
No limit
38.2
Potassiummg/l
1.8Sampled Jul 2026
No limit
1.8
Chloridemg/l
8.8Sampled Jul 2026
≤ 250
8.8
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Aluminiumμg/l
10Sampled Jul 2026
≤ 200
10
Antimonyμg/l
1Sampled Jul 2026
≤ 5
1
Arsenicμg/l
2Sampled Jul 2026
≤ 10
1
Bariumμg/l
10Sampled Jul 2026
≤ 1,000
10
Cadmiumμg/l
1Sampled Jul 2026
≤ 5
1
Chromiumμg/l
5Sampled Jul 2026
≤ 50
5
Ironμg/l
10Sampled Jul 2026
≤ 200
10
Manganeseμg/l
10Sampled Jul 2026
≤ 50
10
Leadμg/l
Not reported
≤ 10
—
Seleniumμg/l
2Sampled Jul 2026
≤ 10
2
Sodiummg/l
15.3Sampled Jul 2026
≤ 200
15.3
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Trichloroethyleneμg/l
0.1Sampled Jul 2026
No limit
0.005
Total Trihalomethanesμg/l
21.6Sampled Jul 2026
≤ 100
1.08
Haloacetic acids
Haloacetic acids
Parameter
Unfiltered tap water
Allowed range
Filtered
Total haloacetic acidsμg/l
1.6Sampled Jul 2026
≤ 60
0.08
Pesticides
Pesticides
Parameter
Unfiltered tap water
Allowed range
Filtered
Heptachlorug/L
0.005Sampled Jul 2026
≤ 0.4
0.005
Total pesticidesug/L
0.014Sampled Jul 2026
≤ 0.5
0.014
Herbicides
Herbicides
Parameter
Unfiltered tap water
Allowed range
Filtered
D 2 4ug/L
0.02Sampled Jul 2026
≤ 70
0.02
Atrazineug/L
0.005Sampled Jul 2026
≤ 3
0.005
Perfluorinated chemicals
Perfluorinated chemicals
Parameter
Unfiltered tap water
Allowed range
Filtered
PFOAug/L
0.001Sampled Jul 2026
No limit
0.001
PFOSug/L
0.002Sampled Jul 2026
No limit
0.002
PFNAug/L
0.001Sampled Jul 2026
No limit
0.001
Total PFASug/L
0.006Sampled Jul 2026
≤ 0.1
0.001
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
0.01Sampled Jul 2026
No limit
0.003
Sulfatemg/l
22Sampled Jul 2026
No limit
22
Uraniumug/L
10Sampled Jul 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.
