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Newport · Newport

Welsh Water

Water safety

Water safety
ParameterUnfiltered tap waterAllowed rangeFiltered
Free Chlorinemg CL2/l0.560.2 – 10.011
Total Chlorinemg CL2/l0.65No limit0.13

General

General
ParameterUnfiltered tap waterAllowed rangeFiltered
Hardnessmg CaCO3/l116.9estimated80 – 459116.9
pH7.776.5 – 9.57.77
TurbidityNTU0.28≤ 40.028
ColorColor Units4.6≤ 154.6
ConductivityμS / cm282≤ 2,500282
TDSmg/l180.5estimated0 – 1,199180.5
OdorTON0≤ 30

Pathogens

Pathogens
ParameterUnfiltered tap waterAllowed rangeFiltered
eColiUFC/100ml0≤ 00
BacteriasNMP/100ml2≤ 00.2
EnterococcusUFC/100ml0≤ 00

Chemical parameters

Chemical parameters
ParameterUnfiltered tap waterAllowed rangeFiltered
Cyanide totalμg CN/l4.6≤ 500.23
Fluoridemg F/l0.11≤ 1.50.033
Mercuryμg Hg/l0.042≤ 10.004
Nitritesmg NO2/l0.013≤ 0.50.005
Nitratesmg NO3/l8.81≤ 502.64

Minerals

Minerals
ParameterUnfiltered tap waterAllowed rangeFiltered
Chloridemg/l14.9≤ 25014.9

Metals

Metals
ParameterUnfiltered tap waterAllowed rangeFiltered
Aluminiumμg/l5.6≤ 2005.6
Antimonyμg/l0.043≤ 50.043
Arsenicμg/l0.13≤ 100.066
Cadmiumμg/l0.028≤ 50.028
Chromiumμg/l0.29≤ 500.29
Copperμg/l84.9≤ 2,0004.25
Ironμg/l21.1≤ 20021.1
Manganeseμg/l1≤ 501
Leadμg/l0.81≤ 100.04
Nickelμg/l1.6≤ 201.6
Seleniumμg/l0.23≤ 100.23
Sodiummg/l16≤ 20016

Chlorine by-products

Chlorine by-products
ParameterUnfiltered tap waterAllowed rangeFiltered
Total Trichloroethyleneμg/l0≤ 100
Total Trihalomethanesμg/l32.4≤ 1001.62

Pesticides

Pesticides
ParameterUnfiltered tap waterAllowed rangeFiltered
Total pesticidesug/L0.003≤ 0.50.003

Perfluorinated chemicals

Perfluorinated chemicals
ParameterUnfiltered tap waterAllowed rangeFiltered
Total PFASug/LNot reported≤ 0.1—
PFAS 4ng/lNot reportedNo limit—
PFAS 21ng/lNot reportedNo limit—

Other

Other
ParameterUnfiltered tap waterAllowed rangeFiltered
Ammoniamg/l0.025No limit0.008
Sulfatemg/l40No limit40

Data collected from the water company for your area. Quality ranges are based on WHO guidelines and the UK drinking water regulations.

2574 of 2578 tests within UK limits