← Back to summary See all parameters ROUELLE · Dompierre
VEOLIA EAU - SUD MANCHE
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.11 ● (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 24 No limit 24 Hardnessmg CaCO3/l 117 80 – 459 117 Hardness fF 11.7 No limit 11.7 pH 7.6 6.5 – 9.5 7.6 TurbidityNTU 0.2 ≤ 4 0.02 ConductivityμS / cm 254 ≤ 2,500 254 TDSmg/l 162.6estimated 0 – 1,199 162.6 Alkalinitymg CaCO3/l 105 No limit 105 Bicarbonatemg HCO3/l 105Sampled May 2026 No limit 105
Pathogens Pathogens Parameter Unfiltered tap water Allowed range Filtered 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 May 2026 ≤ 50 0.5 Fluoridemg F/l 0.14Sampled May 2026 ≤ 1.5 0.042 Mercuryμg Hg/l 0.05Sampled May 2026 ≤ 1 0.005 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 0.84 ≤ 50 0.25
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 3.9Sampled May 2026 No limit 3.9 Calciummg/l 31Sampled May 2026 No limit 31 Potassiummg/l 0.7Sampled May 2026 No limit 0.7 Chloridemg/l 11 ≤ 250 11
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 17.1Sampled May 2026 ≤ 200 17.1 Antimonyμg/l 0.5Sampled May 2026 ≤ 5 0.5 Arsenicμg/l 0.25Sampled May 2026 ≤ 10 0.13 Bariumμg/l 8.3Sampled May 2026 ≤ 1,000 8.3 Cadmiumμg/l 0.059Sampled May 2026 ≤ 5 0.059 Chromiumμg/l 1Sampled May 2026 ≤ 50 1 Ironμg/l 19.3Sampled May 2026 ≤ 200 19.3 Manganeseμg/l 1Sampled May 2026 ≤ 50 1 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 0.5Sampled May 2026 ≤ 10 0.5 Sodiummg/l 7.2Sampled May 2026 ≤ 200 7.2
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.05Sampled May 2026 No limit 0.003 Total Trihalomethanesμg/l 20.8Sampled May 2026 ≤ 100 1.04
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 0Sampled May 2026 ≤ 60 0
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled May 2026 ≤ 0.4 0.005 Total pesticidesug/L 0Sampled May 2026 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled May 2026 ≤ 70 0.02 Atrazineug/L 0.01Sampled May 2026 ≤ 3 0.01
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled May 2026 No limit 0.001 PFOSug/L 0.001Sampled May 2026 No limit 0.001 PFNAug/L 0.001Sampled May 2026 No limit 0.001 Total PFASug/L 0.001Sampled May 2026 ≤ 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 3.2 No limit 3.2 Uraniumug/L 1.1Sampled May 2026 No limit 1.1
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.
