← Back to summary See all parameters SYNDICAT VIEUX ITZAC · Larroque
SMAEP DU GAILLACOIS
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.23 0.2 – 1 0.005 ▲ Total Chlorinemg CL2/l 0.27 No limit 0.054
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 23.5 No limit 23.5 Hardnessmg CaCO3/l 165 80 – 459 165 Hardness fF 16.5 No limit 16.5 pH 8.1 6.5 – 9.5 8.1 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 375 ≤ 2,500 375 TDSmg/l 240estimated 0 – 1,199 240 Alkalinitymg CaCO3/l 171 No limit 171 Bicarbonatemg HCO3/l 173Sampled Jan 2026 No limit 173
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 Jan 2026 ≤ 50 0.5 Fluoridemg F/l 0.05Sampled Jan 2026 ≤ 1.5 0.015 Mercuryμg Hg/l 0.5Sampled Jan 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 4.1 ≤ 50 1.23
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 14.7 No limit 14.7 Calciummg/l 41.8 No limit 41.8 Potassiummg/l 1.2Sampled Jan 2026 No limit 1.2 Chloridemg/l 12.1 ≤ 250 12.1
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 19Sampled Jan 2026 ≤ 200 19 Antimonyμg/l 1Sampled Jan 2026 ≤ 5 1 Arsenicμg/l 2Sampled Jan 2026 ≤ 10 1 Bariumμg/l 38Sampled Jan 2026 ≤ 1,000 38 Cadmiumμg/l 1Sampled Jan 2026 ≤ 5 1 Chromiumμg/l 5Sampled Jan 2026 ≤ 50 5 Copperμg/l 13Sampled Jun 2025 ≤ 2,000 0.65 Ironμg/l 10Sampled Jan 2026 ≤ 200 10 Manganeseμg/l 10Sampled Jan 2026 ≤ 50 10 Leadμg/l 2Sampled Jun 2025 ≤ 10 0.1 Nickelμg/l 5Sampled Jun 2025 ≤ 20 5 Seleniumμg/l 2Sampled Jan 2026 ≤ 10 2 Sodiummg/l 7.5Sampled Jan 2026 ≤ 200 7.5
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Jan 2026 No limit 0.005 Total Trihalomethanesμg/l 5.85Sampled Jan 2026 ≤ 100 0.29
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 2.9Sampled Jan 2026 ≤ 60 0.15
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Jan 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) Sampled Jan 2026 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Jan 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Jan 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jan 2026 No limit 0.001 PFOSug/L 0.001Sampled Jan 2026 No limit 0.001 PFNAug/L 0.001Sampled Jan 2026 No limit 0.001 Total PFASug/L 0.029Sampled Jan 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 30.6 No limit 30.6 Uraniumug/L 10Sampled Jan 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.
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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.
