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HAURAC SIGUENS SEGOUGE MAUVEZIN · Sentenac-d'Oust

SERVICE DES EAUX DU COUSERANS

Water safety

Water safety
ParameterUnfiltered tap waterAllowed rangeFiltered
Free Chlorinemg CL2/l0.12 (Near the limit)0.2 – 10.002
Total Chlorinemg CL2/l0.14No limit0.028

General

General
ParameterUnfiltered tap waterAllowed rangeFiltered
TemperatureC20.4No limit20.4
Hardnessmg CaCO3/l28 (Near the limit)80 – 45928
Hardness fF2.8No limit2.8
pH7.56.5 – 9.57.5
TurbidityNTU0.1≤ 40.01
ColorColor Units5≤ 155
ConductivityμS / cm60≤ 2,50060
TDSmg/l38.4estimated0 – 1,19938.4
Alkalinitymg CaCO3/l29.3No limit29.3
Bicarbonatemg HCO3/l53Sampled Sept 2025No limit53

Pathogens

Pathogens
ParameterUnfiltered tap waterAllowed rangeFiltered
ClostridiumUFC/100ml0≤ 00
eColiUFC/100ml0≤ 00
BacteriasNMP/100ml0≤ 00
EnterococcusUFC/100ml0≤ 00

Chemical parameters

Chemical parameters
ParameterUnfiltered tap waterAllowed rangeFiltered
Cyanide totalμg CN/l5Sampled Sept 2025≤ 500.25
Fluoridemg F/l0.059Sampled Sept 2025≤ 1.50.018
Mercuryμg Hg/l0.2Sampled Sept 2025≤ 10.02
Nitritesmg NO2/l0.05≤ 0.50.02
Nitratesmg NO3/l0.46≤ 500.14

Minerals

Minerals
ParameterUnfiltered tap waterAllowed rangeFiltered
Magnesiummg/l1.77No limit1.77
Calciummg/l8.22No limit8.22
Potassiummg/l0.36Sampled Sept 2025No limit0.36
Chloridemg/l0.81≤ 2500.81

Metals

Metals
ParameterUnfiltered tap waterAllowed rangeFiltered
Aluminiumμg/l5Sampled Sept 2025≤ 2005
Arsenicμg/l0.5Sampled Sept 2025≤ 100.25
Bariumμg/l1.5Sampled Sept 2025≤ 1,0001.5
Ironμg/l5Sampled Sept 2025≤ 2005
Manganeseμg/l5Sampled Sept 2025≤ 505
Leadμg/lNot reported≤ 10—
Seleniumμg/l0.5Sampled Sept 2025≤ 100.5
Sodiummg/l1.71Sampled Sept 2025≤ 2001.71

Chlorine by-products

Chlorine by-products
ParameterUnfiltered tap waterAllowed rangeFiltered
Trichloroethyleneμg/l0.2Sampled Sept 2025No limit0.01

Pesticides

Pesticides
ParameterUnfiltered tap waterAllowed rangeFiltered
Heptachlorug/L0.005Sampled Sept 2025≤ 0.40.005
Total pesticidesug/L0.005Sampled Sept 2025≤ 0.50.005

Herbicides

Herbicides
ParameterUnfiltered tap waterAllowed rangeFiltered
D 2 4ug/L0.005Sampled Sept 2025≤ 700.005
Atrazineug/L0.005Sampled Sept 2025≤ 30.005

Perfluorinated chemicals

Perfluorinated chemicals
ParameterUnfiltered tap waterAllowed rangeFiltered
PFOAug/L0.002Sampled Sept 2025No limit0.002
PFOSug/L0.002Sampled Sept 2025No limit0.002
PFNAug/L0.01Sampled Sept 2025No limit0.01
Total PFASug/L0.002Sampled Sept 2025≤ 0.10
PFAS 4ng/lNot reportedNo limit—
PFAS 21ng/lNot reportedNo limit—

Other

Other
ParameterUnfiltered tap waterAllowed rangeFiltered
Ammoniamg/l0.05No limit0.015
Sulfatemg/l1.7No limit1.7

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.