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RDE RIVE DROITE COMMELLE · Saint-Marcel-de-Félines

SUEZ RAA SIEGE

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	24.9	No limit	24.9
Hardnessmg CaCO3/l	118.7	80 – 459	118.7
Hardness fF	11.9	No limit	11.9
pH	8	6.5 – 9.5	8
TurbidityNTU	0.11	≤ 4	0.011
ColorColor Units	5	≤ 15	5
ConductivityμS / cm	346	≤ 2,500	346
TDSmg/l	221.4estimated	0 – 1,199	221.4
Alkalinitymg CaCO3/l	140	No limit	140

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 Jul 2026	≤ 50	0.5
Fluoridemg F/l	0.05Sampled Jul 2026	≤ 1.5	0.015
Mercuryμg Hg/l	0.5Sampled Jul 2026	≤ 1	0.05
Nitritesmg NO2/l	0.01	≤ 0.5	0.004
Nitratesmg NO3/l	2.2	≤ 50	0.66

Minerals

Minerals
Parameter	Unfiltered tap water	Allowed range	Filtered
Magnesiummg/l	6	No limit	6
Calciummg/l	37.6	No limit	37.6
Potassiummg/l	3.8Sampled Jul 2026	No limit	3.8
Chloridemg/l	28.1	≤ 250	28.1

Metals

Metals
Parameter	Unfiltered tap water	Allowed range	Filtered
Aluminiumμg/l	40	≤ 200	40
Antimonyμg/l	1Sampled Jul 2026	≤ 5	1
Arsenicμg/l	2Sampled Jul 2026	≤ 10	1
Bariumμg/l	29Sampled Jul 2026	≤ 1,000	29
Cadmiumμg/l	1Sampled Jul 2026	≤ 5	1
Chromiumμg/l	5Sampled Jul 2026	≤ 50	5
Copperμg/l	25Sampled Jul 2026	≤ 2,000	1.25
Ironμg/l	10Sampled Jul 2026	≤ 200	10
Manganeseμg/l	10Sampled Jul 2026	≤ 50	10
Leadμg/l	2Sampled Jul 2026	≤ 10	0.1
Nickelμg/l	5Sampled Jul 2026	≤ 20	5
Seleniumμg/l	2Sampled Jul 2026	≤ 10	2
Sodiummg/l	20.7Sampled Jul 2026	≤ 200	20.7

Chlorine by-products

Chlorine by-products
Parameter	Unfiltered tap water	Allowed range	Filtered
Trichloroethyleneμg/l	0.1Sampled Jul 2026	No limit	0.005
Total Trihalomethanesμg/l	40.6	≤ 100	2.03

Haloacetic acids

Haloacetic acids
Parameter	Unfiltered tap water	Allowed range	Filtered
Total haloacetic acidsμg/l	7Sampled Jul 2026	≤ 60	0.35

Pesticides

Pesticides
Parameter	Unfiltered tap water	Allowed range	Filtered
Heptachlorug/L	0.005Sampled Jul 2026	≤ 0.4	0.005
Total pesticidesug/L	0.01Sampled Jul 2026	≤ 0.5	0.01

Herbicides

Herbicides
Parameter	Unfiltered tap water	Allowed range	Filtered
D 2 4ug/L	0.02Sampled Jul 2026	≤ 70	0.02
Atrazineug/L	0.005Sampled Jul 2026	≤ 3	0.005

Perfluorinated chemicals

Perfluorinated chemicals
Parameter	Unfiltered tap water	Allowed range	Filtered
PFOAug/L	0.002Sampled Jul 2026	No limit	0.002
PFOSug/L	0.002Sampled Jul 2026	No limit	0.002
PFNAug/L	0.001Sampled Jul 2026	No limit	0.001
Total PFASug/L	0.018Sampled Jul 2026	≤ 0.1	0.002
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	0.02	No limit	0.006
Sulfatemg/l	15.1	No limit	15.1
Uraniumug/L	10Sampled Jul 2026	No limit	10

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.