← Back to summary See all parameters SAINT BOMER LES FORGES (VARENNE) · Dompierre
FLERS AGGLO
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.09 ● (Near the limit) 0.2 – 1 0.002 ▲ Total Chlorinemg CL2/l 0.11 No limit 0.022
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 21 No limit 21 Hardnessmg CaCO3/l 126 80 – 459 126 Hardness fF 12.6 No limit 12.6 pH 7.8 6.5 – 9.5 7.8 TurbidityNTU 0.2 ≤ 4 0.02 ConductivityμS / cm 381 ≤ 2,500 381 TDSmg/l 243.8estimated 0 – 1,199 243.8 Alkalinitymg CaCO3/l 61 No limit 61 Bicarbonatemg HCO3/l 62Sampled Mar 2026 No limit 62
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 0.05Sampled Mar 2026 ≤ 1 0.005 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 20 ≤ 50 6
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 4.7Sampled Mar 2026 No limit 4.7 Calciummg/l 36Sampled Mar 2026 No limit 36 Potassiummg/l 2.8Sampled Mar 2026 No limit 2.8 Chloridemg/l 57 ≤ 250 57
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 3.9Sampled Mar 2026 ≤ 200 3.9 Antimonyμg/l 0.5Sampled Mar 2026 ≤ 5 0.5 Arsenicμg/l 0.25Sampled Mar 2026 ≤ 10 0.13 Bariumμg/l 25Sampled Mar 2026 ≤ 1,000 25 Cadmiumμg/l 0.025Sampled Mar 2026 ≤ 5 0.025 Chromiumμg/l 1Sampled Mar 2026 ≤ 50 1 Ironμg/l 44.3 ≤ 200 44.3 Manganeseμg/l 1.9 ≤ 50 1.9 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 0.5Sampled Mar 2026 ≤ 10 0.5 Sodiummg/l 16Sampled Mar 2026 ≤ 200 16
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.05Sampled Mar 2026 No limit 0.003 Total Trihalomethanesμg/l 20.4Sampled Jun 2026 ≤ 100 1.02
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 7.6Sampled Mar 2026 ≤ 60 0.38
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Mar 2026 ≤ 0.4 0.005 Total pesticidesug/L 0Sampled Mar 2026 ≤ 0.5 0
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Mar 2026 ≤ 70 0.02 Atrazineug/L 0.01Sampled Mar 2026 ≤ 3 0.01
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 0Sampled Mar 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 8.3 No limit 8.3 Uraniumug/L 0.1Sampled Mar 2026 No limit 0.1
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.
