← Back to summary See all parameters SERIGNY-IGE BOURG · Saint-Martin-du-Vieux-Bellême
SIAEP DU PERCHE SUD
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 20 No limit 20 Hardnessmg CaCO3/l 354 80 – 459 354 Hardness fF 35.4 No limit 35.4 pH 7.5 6.5 – 9.5 7.5 TurbidityNTU 0.2 ≤ 4 0.02 ConductivityμS / cm 707 ≤ 2,500 707 TDSmg/l 452.5estimated 0 – 1,199 452.5 Alkalinitymg CaCO3/l 298 No limit 298 Bicarbonatemg HCO3/l 357Sampled Jun 2025 No limit 357
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered ClostridiumUFC/100ml 0Sampled Dec 2025 ≤ 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 Jun 2025 ≤ 50 0.5 Fluoridemg F/l 0.05Sampled Jun 2025 ≤ 1.5 0.015 Mercuryμg Hg/l 0.05Sampled Jun 2025 ≤ 1 0.005 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 7.2 ≤ 50 2.16
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 13Sampled Jun 2025 No limit 13 Calciummg/l 130Sampled Jun 2025 No limit 130 Potassiummg/l 2.4Sampled Jun 2025 No limit 2.4 Chloridemg/l 19 ≤ 250 19
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 2Sampled Jun 2025 ≤ 200 2 Antimonyμg/l 0.5Sampled Aug 2025 ≤ 5 0.5 Arsenicμg/l 0.25Sampled Jun 2025 ≤ 10 0.13 Bariumμg/l 12Sampled Jun 2025 ≤ 1,000 12 Cadmiumμg/l 0.06Sampled Aug 2025 ≤ 5 0.06 Chromiumμg/l 1Sampled Aug 2025 ≤ 50 1 Ironμg/l 5 ≤ 200 5 Manganeseμg/l 2.8Sampled Jun 2025 ≤ 50 2.8 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 1.1Sampled Jun 2025 ≤ 10 1.1 Sodiummg/l 6.7Sampled Jun 2025 ≤ 200 6.7
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.05Sampled Jun 2025 No limit 0.003 Total Trihalomethanesμg/l 3.27Sampled Jun 2025 ≤ 100 0.16
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Jun 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.15Sampled Jun 2025 ≤ 0.5 0.15
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Jun 2025 ≤ 70 0.02 Atrazineug/L 0.01Sampled Jun 2025 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Jun 2025 No limit 0.001 PFOSug/L 0.001Sampled Jun 2025 No limit 0.001 PFNAug/L 0.001Sampled Jun 2025 No limit 0.001 Total PFASug/L 0Sampled Jun 2025 ≤ 0.1 0 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 Sulfatemg/l 46 No limit 46
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.
