← Back to summary See all parameters VALENCE SUR BAISE · Ayguetinte
TRIGONE EAU
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.39 0.2 – 1 0.008 ▲ Total Chlorinemg CL2/l 0.46 No limit 0.092
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 22.9 No limit 22.9 Hardnessmg CaCO3/l 77.9 ● (Near the limit) 80 – 459 77.9 ● Hardness fF 7.79 No limit 7.79 pH 8.02 6.5 – 9.5 8.02 TurbidityNTU 0.16 ≤ 4 0.016 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 254 ≤ 2,500 254 TDSmg/l 162.6estimated 0 – 1,199 162.6 Alkalinitymg CaCO3/l 65.5 No limit 65.5
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 3.8 ≤ 50 1.14
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 1.5 No limit 1.5 Calciummg/l 28.7 No limit 28.7 Chloridemg/l 32.5 ≤ 250 32.5
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Dec 2025 ≤ 200 10 Antimonyμg/l 1Sampled Jul 2025 ≤ 5 1 Arsenicμg/l Not reported ≤ 10 — Cadmiumμg/l 1Sampled Jul 2025 ≤ 5 1 Chromiumμg/l 5Sampled Jul 2025 ≤ 50 5 Ironμg/l 10 ≤ 200 10 Leadμg/l Not reported ≤ 10 —
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Total Trihalomethanesμg/l 25.4Sampled Jul 2025 ≤ 100 1.27
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Feb 2026 ≤ 0.4 0.005 Total pesticidesug/L 0.005Sampled Feb 2026 ≤ 0.5 0.005
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Feb 2026 ≤ 70 0.02 Atrazineug/L 0.005Sampled Feb 2026 ≤ 3 0.005
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 9.2 No limit 9.2
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.
