← Back to summary See all parameters AZÉ ZONE AGGLOMÉRÉE NORD-OUEST · Bouessay
SAUR FRANCE
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.07 ● (Near the limit) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.15 No limit 0.03
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 26.1 No limit 26.1 Hardnessmg CaCO3/l 130 80 – 459 130 Hardness fF 13 No limit 13 pH 8.1 6.5 – 9.5 8.1 TurbidityNTU 0.3 ≤ 4 0.03 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 473 ≤ 2,500 473 TDSmg/l 302.7estimated 0 – 1,199 302.7 Alkalinitymg CaCO3/l 74 No limit 74
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 Mercuryμg Hg/l Not reported ≤ 1 — Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 2.3 ≤ 50 0.69
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Chloridemg/l 84.1 ≤ 250 84.1
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Antimonyμg/l 0.12Sampled Oct 2025 ≤ 5 0.12 Arsenicμg/l Not reported ≤ 10 — Cadmiumμg/l 0.01Sampled Oct 2025 ≤ 5 0.01 Chromiumμg/l 0.3Sampled Oct 2025 ≤ 50 0.3 Copperμg/l 17.6Sampled Jun 2026 ≤ 2,000 0.88 Ironμg/l 13 ≤ 200 13 Manganeseμg/l 0.5 ≤ 50 0.5 Leadμg/l 0.1Sampled Jun 2026 ≤ 10 0.005 Nickelμg/l 1.9Sampled Jun 2026 ≤ 20 1.9
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 45Sampled Jun 2026 ≤ 100 2.25
Haloacetic acids Haloacetic acids Parameter Unfiltered tap water Allowed range Filtered Total haloacetic acidsμg/l 9.3Sampled Jun 2026 ≤ 60 0.47
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered Total PFASug/L Not reported ≤ 0.1 — 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 22.8 No limit 22.8
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.
