BRIGUEIL LES BASSES ROCHES · Coulonges-les-Hérolles
EAUX DE VIENNE - SIVEER
Water safety
Water safety
Parameter
Unfiltered tap water
Allowed range
Filtered
Free Chlorinemg CL2/l
0.08 ● (Near the limit)
0.2 – 1
0.002 ▲
Total Chlorinemg CL2/l
0.1
No limit
0.02
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
28
No limit
28
Hardnessmg CaCO3/l
300
80 – 459
300
Hardness fF
30
No limit
30
pH
7.4
6.5 – 9.5
7.4
TurbidityNTU
0.3
≤ 4
0.03
ConductivityμS / cm
622
≤ 2,500
622
TDSmg/l
398.1estimated
0 – 1,199
398.1
Alkalinitymg CaCO3/l
267
No limit
267
Bicarbonatemg HCO3/l
321Sampled Dec 2025
No limit
321
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
5Sampled Dec 2025
≤ 50
0.25
Fluoridemg F/l
0.1Sampled Dec 2025
≤ 1.5
0.03
Mercuryμg Hg/l
0.015Sampled Dec 2025
≤ 1
0.002
Nitritesmg NO2/l
0.01
≤ 0.5
0.004
Nitratesmg NO3/l
15
≤ 50
4.5
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Magnesiummg/l
14Sampled Dec 2025
No limit
14
Calciummg/l
96Sampled Dec 2025
No limit
96
Potassiummg/l
2.1Sampled Dec 2025
No limit
2.1
Chloridemg/l
22
≤ 250
22
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Aluminiumμg/l
20Sampled Dec 2025
≤ 200
20
Antimonyμg/l
0.5Sampled Feb 2025
≤ 5
0.5
Arsenicμg/l
0.2Sampled Dec 2025
≤ 10
0.1
Bariumμg/l
260Sampled Dec 2025
≤ 1,000
260
Cadmiumμg/l
0.1Sampled Feb 2025
≤ 5
0.1
Chromiumμg/l
1Sampled Feb 2025
≤ 50
1
Copperμg/l
190Sampled Feb 2025
≤ 2,000
9.5
Ironμg/l
10Sampled Dec 2025
≤ 200
10
Manganeseμg/l
1Sampled Dec 2025
≤ 50
1
Leadμg/l
4Sampled Feb 2025
≤ 10
0.2
Nickelμg/l
1Sampled Feb 2025
≤ 20
1
Seleniumμg/l
5Sampled Dec 2025
≤ 10
5
Sodiummg/l
12Sampled Dec 2025
≤ 200
12
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Trichloroethyleneμg/l
0.15Sampled Dec 2025
No limit
0.008
Total Trihalomethanesμg/l
4.05Sampled Dec 2025
≤ 100
0.2
Pesticides
Pesticides
Parameter
Unfiltered tap water
Allowed range
Filtered
Heptachlorug/L
0.01Sampled Apr 2026
≤ 0.4
0.01
Total pesticidesug/L
0Sampled Apr 2026
≤ 0.5
0
Herbicides
Herbicides
Parameter
Unfiltered tap water
Allowed range
Filtered
D 2 4ug/L
0.06Sampled Apr 2026
≤ 70
0.06
Atrazineug/L
0.02Sampled Apr 2026
≤ 3
0.02
Perfluorinated chemicals
Perfluorinated chemicals
Parameter
Unfiltered tap water
Allowed range
Filtered
PFOAug/L
0.001Sampled Jun 2025
No limit
0.001
PFOSug/L
0.001Sampled Jun 2025
No limit
0.001
PFNAug/L
0.001Sampled Jun 2025
No limit
0.001
Total PFASug/L
0Sampled Jun 2025
≤ 0.1
0
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
12
No limit
12
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.
