← Back to summary See all parameters DEBATS RIVIERE D'ORPRA · Trelins
CA LOIRE FOREZ AGGLOMÉRATION
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 0.03 ▲ (Outside the range) 0.2 – 1 0.001 ▲ Total Chlorinemg CL2/l 0.03 No limit 0.006
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 15.4 No limit 15.4 Hardnessmg CaCO3/l 11.9 ● (Near the limit) 80 – 459 11.9 ● Hardness fF 1.19 No limit 1.19 pH 6.9 6.5 – 9.5 6.9 TurbidityNTU 0.16 ≤ 4 0.016 ColorColor Units 5 ≤ 15 5 ConductivityμS / cm 50 ≤ 2,500 50 Alkalinitymg CaCO3/l 17 No limit 17
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 Sept 2025 ≤ 50 0.5 Fluoridemg F/l 0.05Sampled Sept 2025 ≤ 1.5 0.015 Mercuryμg Hg/l 0.01Sampled Sept 2025 ≤ 1 0.001 Nitritesmg NO2/l 0.01 ≤ 0.5 0.004 Nitratesmg NO3/l 3.4 ≤ 50 1.02
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 0.7 No limit 0.7 Calciummg/l 3.6 No limit 3.6 Potassiummg/l 0.8Sampled Sept 2025 No limit 0.8 Chloridemg/l 2.1 ≤ 250 2.1
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 10Sampled Sept 2025 ≤ 200 10 Antimonyμg/l 1Sampled Mar 2025 ≤ 5 1 Arsenicμg/l 2Sampled Sept 2025 ≤ 10 1 Bariumμg/l 10Sampled Sept 2025 ≤ 1,000 10 Cadmiumμg/l 1Sampled Mar 2025 ≤ 5 1 Chromiumμg/l 5Sampled Mar 2025 ≤ 50 5 Ironμg/l 20Sampled Sept 2025 ≤ 200 20 Manganeseμg/l 10Sampled Sept 2025 ≤ 50 10 Leadμg/l Not reported ≤ 10 — Seleniumμg/l 2Sampled Sept 2025 ≤ 10 2 Sodiummg/l 4.5Sampled Sept 2025 ≤ 200 4.5
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.1Sampled Sept 2025 No limit 0.005 Total Trihalomethanesμg/l 7.3Sampled Sept 2025 ≤ 100 0.37
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Sept 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.061Sampled Sept 2025 ≤ 0.5 0.061
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Sept 2025 ≤ 70 0.02 Atrazineug/L 0.005Sampled Sept 2025 ≤ 3 0.005
Perfluorinated chemicals Perfluorinated chemicals Parameter Unfiltered tap water Allowed range Filtered PFOAug/L 0.001Sampled Sept 2025 No limit 0.001 PFOSug/L 0.001Sampled Sept 2025 No limit 0.001 PFNAug/L 0.001Sampled Sept 2025 No limit 0.001 Total PFASug/L 0.029Sampled Sept 2025 ≤ 0.1 0.003 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 2.5 No limit 2.5
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.
Your Water Quality
Independent information about tap water quality in France.
Brought to you by
tappwater.co
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.
