ANDOUILLE - LA BACONNIERE · Saint-Germain-le-Guillaume
COMMUNAUTÉ DE COMMUNES DE L'ERNÉE
Water safety
Water safety
Parameter
Unfiltered tap water
Allowed range
Filtered
Free Chlorinemg CL2/l
1.06 ● (Near the limit)
0.2 – 1
0.021 ▲
Total Chlorinemg CL2/l
1.16
No limit
0.23
General
General
Parameter
Unfiltered tap water
Allowed range
Filtered
TemperatureC
19.7
No limit
19.7
Hardnessmg CaCO3/l
137
80 – 459
137
Hardness fF
13.7
No limit
13.7
pH
8
6.5 – 9.5
8
TurbidityNTU
0.3
≤ 4
0.03
ColorColor Units
5
≤ 15
5
ConductivityμS / cm
455
≤ 2,500
455
TDSmg/l
291.2estimated
0 – 1,199
291.2
Alkalinitymg CaCO3/l
91
No limit
91
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
Mercuryμg Hg/l
Not reported
≤ 1
—
Nitritesmg NO2/l
0.01
≤ 0.5
0.004
Nitratesmg NO3/l
8.3
≤ 50
2.49
Minerals
Minerals
Parameter
Unfiltered tap water
Allowed range
Filtered
Chloridemg/l
73.5
≤ 250
73.5
Metals
Metals
Parameter
Unfiltered tap water
Allowed range
Filtered
Antimonyμg/l
0.1Sampled Oct 2025
≤ 5
0.1
Arsenicμg/l
Not reported
≤ 10
—
Cadmiumμg/l
0.01Sampled Oct 2025
≤ 5
0.01
Chromiumμg/l
0.3Sampled Oct 2025
≤ 50
0.3
Copperμg/l
9.7
≤ 2,000
0.49
Ironμg/l
6
≤ 200
6
Manganeseμg/l
2
≤ 50
2
Leadμg/l
0.4
≤ 10
0.02
Nickelμg/l
2
≤ 20
2
Chlorine by-products
Chlorine by-products
Parameter
Unfiltered tap water
Allowed range
Filtered
Total Trihalomethanesμg/l
51
≤ 100
2.55
Haloacetic acids
Haloacetic acids
Parameter
Unfiltered tap water
Allowed range
Filtered
Total haloacetic acidsμg/l
9.2
≤ 60
0.46
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
0.01
No limit
0.003
Sulfatemg/l
14.6
No limit
14.6
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.
