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NOCE GRAVIER · Vaunoise

VEOLIA CFSP

Water safety

Water safety
ParameterUnfiltered tap waterAllowed rangeFiltered
Free Chlorinemg CL2/l0.19 (Near the limit)0.2 – 10.004
Total Chlorinemg CL2/l0.2No limit0.04

General

General
ParameterUnfiltered tap waterAllowed rangeFiltered
TemperatureC22No limit22
Hardnessmg CaCO3/l25880 – 459258
Hardness fF25.8No limit25.8
pH7.56.5 – 9.57.5
TurbidityNTU0.2≤ 40.02
ConductivityμS / cm486≤ 2,500486
TDSmg/l311estimated0 – 1,199311
Alkalinitymg CaCO3/l196No limit196
Bicarbonatemg HCO3/l242Sampled Apr 2026No limit242

Pathogens

Pathogens
ParameterUnfiltered tap waterAllowed rangeFiltered
ClostridiumUFC/100ml0Sampled Nov 2025≤ 00
eColiUFC/100ml0≤ 00
BacteriasNMP/100ml0≤ 00
EnterococcusUFC/100ml0≤ 00

Chemical parameters

Chemical parameters
ParameterUnfiltered tap waterAllowed rangeFiltered
Cyanide totalμg CN/l10Sampled Apr 2026≤ 500.5
Fluoridemg F/l0.38Sampled Apr 2026≤ 1.50.11
Mercuryμg Hg/l0.05Sampled Apr 2026≤ 10.005
Nitritesmg NO2/l0.01≤ 0.50.004
Nitratesmg NO3/l0.5≤ 500.15

Minerals

Minerals
ParameterUnfiltered tap waterAllowed rangeFiltered
Magnesiummg/l12Sampled Apr 2026No limit12
Calciummg/l75Sampled Apr 2026No limit75
Potassiummg/l4.3Sampled Apr 2026No limit4.3
Chloridemg/l11≤ 25011

Metals

Metals
ParameterUnfiltered tap waterAllowed rangeFiltered
Aluminiumμg/l2Sampled Apr 2026≤ 2002
Antimonyμg/l0.5Sampled Apr 2026≤ 50.5
Arsenicμg/l0.25Sampled Apr 2026≤ 100.13
Bariumμg/l6.6Sampled Apr 2026≤ 1,0006.6
Cadmiumμg/l0.025Sampled Apr 2026≤ 50.025
Chromiumμg/l1Sampled Apr 2026≤ 501
Ironμg/l16.4≤ 20016.4
Manganeseμg/l1Sampled Apr 2026≤ 501
Leadμg/lNot reported≤ 10—
Seleniumμg/l0.5Sampled Apr 2026≤ 100.5
Sodiummg/l7.7Sampled Apr 2026≤ 2007.7

Chlorine by-products

Chlorine by-products
ParameterUnfiltered tap waterAllowed rangeFiltered
Trichloroethyleneμg/l0.05Sampled Apr 2026No limit0.003
Total Trihalomethanesμg/l2.56Sampled Jun 2026≤ 1000.13

Haloacetic acids

Haloacetic acids
ParameterUnfiltered tap waterAllowed rangeFiltered
Total haloacetic acidsμg/l0.7Sampled Apr 2026≤ 600.035

Pesticides

Pesticides
ParameterUnfiltered tap waterAllowed rangeFiltered
Heptachlorug/L0.005Sampled Apr 2026≤ 0.40.005
Total pesticidesug/L0Sampled Apr 2026≤ 0.50

Herbicides

Herbicides
ParameterUnfiltered tap waterAllowed rangeFiltered
D 2 4ug/L0.02Sampled Apr 2026≤ 700.02
Atrazineug/L0.01Sampled Apr 2026≤ 30.01

Perfluorinated chemicals

Perfluorinated chemicals
ParameterUnfiltered tap waterAllowed rangeFiltered
PFOAug/L0.001Sampled Apr 2026No limit0.001
PFOSug/L0.001Sampled Apr 2026No limit0.001
PFNAug/L0.001Sampled Apr 2026No limit0.001
Total PFASug/L0Sampled Apr 2026≤ 0.10
PFAS 4ng/lNot reportedNo limit—
PFAS 21ng/lNot reportedNo limit—

Other

Other
ParameterUnfiltered tap waterAllowed rangeFiltered
Ammoniamg/l0.05No limit0.015
Sulfatemg/l42No limit42
Uraniumug/L0.1Sampled Apr 2026No limit0.1

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.