Filter your tap water with TAPP Water

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Boston · Boston

Anglian Water

Water safety

Water safety
Parameter	Unfiltered tap water	Allowed range	Filtered
Free Chlorinemg CL2/l	0.29	0.2 – 1	0.006
Total Chlorinemg CL2/l	0.4	No limit	0.08

General

General
Parameter	Unfiltered tap water	Allowed range	Filtered
Hardnessmg CaCO3/l	350.4estimated	80 – 459	350.4
pH	7.42	6.5 – 9.5	7.42
TurbidityNTU	0.23	≤ 4	0.023
ColorColor Units	1.42	≤ 15	1.42
OdorTON	0.016	≤ 3	0.016

Pathogens

Pathogens
Parameter	Unfiltered tap water	Allowed range	Filtered
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
Fluoridemg F/l	0.25	≤ 1.5	0.076
Mercuryμg Hg/l	Not reported	≤ 1	—
Nitritesmg NO2/l	0.03	≤ 0.5	0.012
Nitratesmg NO3/l	9.25	≤ 50	2.77

Metals

Metals
Parameter	Unfiltered tap water	Allowed range	Filtered
Aluminiumμg/l	12	≤ 200	12
Antimonyμg/l	0.096	≤ 5	0.096
Arsenicμg/l	0.19	≤ 10	0.095
Cadmiumμg/l	0.02	≤ 5	0.02
Chromiumμg/l	0.76	≤ 50	0.76
Copperμg/l	78	≤ 2,000	3.9
Ironμg/l	23.2	≤ 200	23.2
Manganeseμg/l	3.31	≤ 50	3.31
Leadμg/l	0.28	≤ 10	0.014
Nickelμg/l	1.6	≤ 20	1.6
Seleniumμg/l	0.72	≤ 10	0.72
Sodiummg/l	23.7	≤ 200	23.7

Chlorine by-products

Chlorine by-products
Parameter	Unfiltered tap water	Allowed range	Filtered
Total Trihalomethanesμg/l	19.4	≤ 100	0.97

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	0.14	No limit	0.042

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

906 of 906 tests within UK limits