← Back to summary See all parameters ROURA · Roura
SOCIETE GUYANAISE DES EAUX
Water safety Water safety Parameter Unfiltered tap water Allowed range Filtered Free Chlorinemg CL2/l 1.92 ▲ (Outside the range) 0.2 – 1 0.038 ▲ Total Chlorinemg CL2/l 1.94 No limit 0.39
General General Parameter Unfiltered tap water Allowed range Filtered TemperatureC 25.5 No limit 25.5 Hardnessmg CaCO3/l 29 ● (Near the limit) 80 – 459 29 ● Hardness fF 2.9 No limit 2.9 pH 6.8 6.5 – 9.5 6.8 TurbidityNTU 0.5 ≤ 4 0.05 ColorColor Units 2.5 ≤ 15 2.5 ConductivityμS / cm 58 ≤ 2,500 58 TDSmg/l 37.1estimated 0 – 1,199 37.1 Alkalinitymg CaCO3/l 20 No limit 20
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 Feb 2025 ≤ 50 0.5 Fluoridemg F/l 0.2Sampled Feb 2025 ≤ 1.5 0.06 Mercuryμg Hg/l 0.05Sampled Feb 2025 ≤ 1 0.005 Nitritesmg NO2/l 0.05 ≤ 0.5 0.02 Nitratesmg NO3/l 1 ≤ 50 0.3
Minerals Minerals Parameter Unfiltered tap water Allowed range Filtered Magnesiummg/l 0.61Sampled Feb 2025 No limit 0.61 Calciummg/l 3.26Sampled Feb 2025 No limit 3.26 Potassiummg/l 0.5Sampled Feb 2025 No limit 0.5 Chloridemg/l 4.31 ≤ 250 4.31
Metals Metals Parameter Unfiltered tap water Allowed range Filtered Aluminiumμg/l 509 ▲ (Outside the range) ≤ 200 509 ▲ Antimonyμg/l 1Sampled Aug 2025 ≤ 5 1 Arsenicμg/l 5Sampled Feb 2025 ≤ 10 2.5 Bariumμg/l 50Sampled Feb 2025 ≤ 1,000 50 Cadmiumμg/l 0.5Sampled Aug 2025 ≤ 5 0.5 Chromiumμg/l 10Sampled Aug 2025 ≤ 50 10 Copperμg/l 50Sampled Aug 2025 ≤ 2,000 2.5 Ironμg/l 50Sampled Jun 2026 ≤ 200 50 Manganeseμg/l 10Sampled Jun 2026 ≤ 50 10 Leadμg/l 5Sampled Aug 2025 ≤ 10 0.25 Nickelμg/l 10Sampled Aug 2025 ≤ 20 10 Seleniumμg/l 2Sampled Feb 2025 ≤ 10 2 Sodiummg/l 2.34Sampled Feb 2025 ≤ 200 2.34
Chlorine by-products Chlorine by-products Parameter Unfiltered tap water Allowed range Filtered Trichloroethyleneμg/l 0.5Sampled Feb 2025 No limit 0.025 Total Trihalomethanesμg/l 0.05 ≤ 100 0.003
Pesticides Pesticides Parameter Unfiltered tap water Allowed range Filtered Heptachlorug/L 0.005Sampled Feb 2025 ≤ 0.4 0.005 Total pesticidesug/L 0.1Sampled Feb 2025 ≤ 0.5 0.1
Herbicides Herbicides Parameter Unfiltered tap water Allowed range Filtered D 2 4ug/L 0.02Sampled Feb 2025 ≤ 70 0.02 Atrazineug/L 0.02Sampled Feb 2025 ≤ 3 0.02
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 0.05 No limit 0.015 Sulfatemg/l 5.94 No limit 5.94
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.
