← Back to summary See all parameters SAUVAIN BOURG · Sauvain
CA LOIRE FOREZ AGGLOMÉRATION
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.12 ● (Near the limit) 0.2 – 1 0.002 ▲ Total Chlorinemg CL2/l 0.13 No limit 0.026
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 22.2 No limit 22.2 Hardnessmg CaCO3/l 35.9 ● (Near the limit) 80 – 459 35.9 ● Hardness fF 3.59 No limit 3.59 pH 8.7 6.5 – 9.5 8.7 TurbidityNTU 0.1 ≤ 4 0.01 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 89 ≤ 2,500 89 TDSmg/l 57estimated 0 – 1,199 57 Alkalinitymg CaCO3/l 38.9 No limit 38.9
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 Mar 2026 ≤ 50 0.5 Fluoridemg F/l 0.05Sampled Mar 2026 ≤ 1.5 0.015 Mercuryμg Hg/l 0.5Sampled Mar 2026 ≤ 1 0.05 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 3.9 ≤ 50 1.17
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 0.4 No limit 0.4 Calciummg/l 13.7 No limit 13.7 Potassiummg/l 0.8Sampled Mar 2026 No limit 0.8 Chloridemg/l 1.4 ≤ 250 1.4
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 15Sampled Mar 2026 ≤ 200 15 Antimonyμg/l 1Sampled Mar 2026 ≤ 5 1 Arsenicμg/l 2Sampled Mar 2026 ≤ 10 1 Bariumμg/l 10Sampled Mar 2026 ≤ 1,000 10 Cadmiumμg/l 1Sampled Mar 2026 ≤ 5 1 Chromiumμg/l 5Sampled Mar 2026 ≤ 50 5 Copperμg/l 17Sampled Mar 2026 ≤ 2,000 0.85 Ironμg/l 10Sampled Mar 2026 ≤ 200 10 Manganeseμg/l 10Sampled Mar 2026 ≤ 50 10 Leadμg/l 2Sampled Mar 2026 ≤ 10 0.1 Nickelμg/l 5Sampled Mar 2026 ≤ 20 5 Seleniumμg/l 2Sampled Mar 2026 ≤ 10 2 Sodiummg/l 2.4Sampled Mar 2026 ≤ 200 2.4
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Mar 2026 No limit 0.005 Total Trihalomethanesμg/l 8.21Sampled Mar 2026 ≤ 100 0.41
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 3.2Sampled Mar 2026 ≤ 60 0.16
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Mar 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.5 ● (Near the limit) Sampled Mar 2026 ≤ 0.5 0.5 ●
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Mar 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Mar 2026 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Mar 2026 No limit 0.001 PFOSug/L 0.001Sampled Mar 2026 No limit 0.001 PFNAug/L 0.001Sampled Mar 2026 No limit 0.001 Total PFASug/L 0.029Sampled Mar 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 2 No limit 2 Uraniumug/L 10Sampled Mar 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.
Your Water Quality
Independent information about tap water quality in France.
Brought to you by
tappwater.co
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.
