← Back to summary See all parameters GRANDVILLIERS · Sully
SIVOM DE LA REGION DE GRANDVILLIERS
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 0.05 No limit 0.01
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 11 No limit 11 Hardnessmg CaCO3/l 303 80 – 459 303 Hardness fF 30.3 No limit 30.3 pH 6.9 6.5 – 9.5 6.9 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 645 ≤ 2,500 645 TDSmg/l 412.8estimated 0 – 1,199 412.8 Alkalinitymg CaCO3/l 280 No limit 280 Bicarbonatemg HCO3/l 342 No limit 342
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered eColiUFC/100ml 0 ≤ 0 0 BacteriasNMP/100ml 1 ≤ 0 0.1 EnterococcusUFC/100ml 0 ≤ 0 0
Chemical parameters Chemical parameters Parameter Unfiltered tap water Allowed range Filtered Cyanide totalμg CN/l 10Sampled Apr 2026 ≤ 50 0.5 Fluoridemg F/l 0.1Sampled Apr 2026 ≤ 1.5 0.03 Mercuryμg Hg/l 0.015Sampled Apr 2026 ≤ 1 0.002 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 35.1 ≤ 50 10.5
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 3.4 No limit 3.4 Calciummg/l 116 No limit 116 Potassiummg/l 1.9Sampled Apr 2026 No limit 1.9 Chloridemg/l 19.4 ≤ 250 19.4
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Apr 2026 ≤ 200 10 Antimonyμg/l 0.5Sampled Apr 2026 ≤ 5 0.5 Arsenicμg/l 0.5Sampled Apr 2026 ≤ 10 0.25 Bariumμg/l 20Sampled Apr 2026 ≤ 1,000 20 Cadmiumμg/l 0.5Sampled Apr 2026 ≤ 5 0.5 Chromiumμg/l 0.7Sampled Apr 2026 ≤ 50 0.7 Copperμg/l 200Sampled Apr 2026 ≤ 2,000 10 Ironμg/l 5Sampled Apr 2026 ≤ 200 5 Manganeseμg/l 0.5Sampled Apr 2026 ≤ 50 0.5 Leadμg/l 2.8Sampled Apr 2026 ≤ 10 0.14 Nickelμg/l 0.9Sampled Apr 2026 ≤ 20 0.9 Seleniumμg/l 0.6Sampled Apr 2026 ≤ 10 0.6 Sodiummg/l 8.9Sampled Apr 2026 ≤ 200 8.9
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 1Sampled Apr 2026 No limit 0.05 Total Trihalomethanesμg/l 4.2Sampled Apr 2026 ≤ 100 0.21
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 1.1Sampled Apr 2026 ≤ 60 0.055
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Total pesticidesug/L 0.33Sampled Apr 2026 ≤ 0.5 0.33
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Apr 2026 ≤ 70 0.02 Atrazineug/L 0.046Sampled Apr 2026 ≤ 3 0.046
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Apr 2026 No limit 0.001 PFOSug/L 0.001Sampled Apr 2026 No limit 0.001 PFNAug/L 0.001Sampled Apr 2026 No limit 0.001 Total PFASug/L 0.029Sampled Apr 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 0.05 No limit 0.015 Perchlorateug/L 2.9Sampled Feb 2026 No limit 2.9 Sulfatemg/l 8.7 No limit 8.7 Uraniumug/L 10Sampled Apr 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.
