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MUSWELL HILL & HAMPSTEAD HEATH · Haringey

Thames Water

Water safety

Water safety
ParameterUnfiltered tap waterAllowed rangeFiltered
Free Chlorinemg CL2/lNot reported0.2 – 1—
Total Chlorinemg CL2/l0.5No limit0.1

General

General
ParameterUnfiltered tap waterAllowed rangeFiltered
Hardnessmg CaCO3/l26380 – 459263
pH7.766.5 – 9.57.76
TurbidityNTU0.11≤ 40.011
ColorColor Units1.9≤ 151.9
ConductivityμS / cm570≤ 2,500570
TDSmg/l364.8estimated0 – 1,199364.8
OdorTON0≤ 30
Alkalinitymg CaCO3/l210No limit210

Pathogens

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

Chemical parameters

Chemical parameters
ParameterUnfiltered tap waterAllowed rangeFiltered
Cyanide totalμg CN/l1.4≤ 500.07
Fluoridemg F/l0.13≤ 1.50.039
Mercuryμg Hg/l0.07≤ 10.007
Nitritesmg NO2/l0.12≤ 0.50.048
Nitratesmg NO3/l27.5≤ 508.25

Minerals

Minerals
ParameterUnfiltered tap waterAllowed rangeFiltered
Magnesiummg/l4.3No limit4.3
Chloridemg/l40≤ 25040

Metals

Metals
ParameterUnfiltered tap waterAllowed rangeFiltered
Aluminiumμg/l8.2≤ 2008.2
Antimonyμg/l0.3≤ 50.3
Arsenicμg/l1≤ 100.5
Cadmiumμg/l0.4≤ 50.4
Chromiumμg/l2.5≤ 502.5
Copperμg/l70≤ 2,0003.5
Ironμg/l7≤ 2007
Manganeseμg/l0.6≤ 500.6
Leadμg/l1.3≤ 100.065
Nickelμg/l0.9≤ 200.9
Seleniumμg/l0.5≤ 100.5
Sodiummg/l26≤ 20026

Chlorine by-products

Chlorine by-products
ParameterUnfiltered tap waterAllowed rangeFiltered
Total Trichloroethyleneμg/l0≤ 100
Total Trihalomethanesμg/l16≤ 1000.8

Pesticides

Pesticides
ParameterUnfiltered tap waterAllowed rangeFiltered
Total pesticidesug/L0.006≤ 0.50.006

Herbicides

Herbicides
ParameterUnfiltered tap waterAllowed rangeFiltered
D 2 4ug/L0.017≤ 700.017
Atrazineug/L0.005≤ 30.005

Perfluorinated chemicals

Perfluorinated chemicals
ParameterUnfiltered tap waterAllowed rangeFiltered
Total PFASug/LNot reported≤ 0.1—

Other

Other
ParameterUnfiltered tap waterAllowed rangeFiltered
Ammoniamg/l0.13No limit0.039
Sulfatemg/l44No limit44

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

3012 of 3012 tests within UK limits