The 20 worst-tasting tap water areas

Tap water taste is driven mainly by chlorine and hardness. Zones are ranked by the two combined, using the same thresholds as the report: chlorine / 0.6 mg/l plus hardness / 330 mg CaCO3/l. Only zones reporting both values appear.

#	Zone	Chlorine	Hardness	Parameter
1	HartlepoolHartlepool, North East	0.4mg CL2/l	489.5mg CaCO3/l	OK
2	BraintreeBraintree, East of England	0.41mg CL2/l	402.3mg CaCO3/l	OK
3	CanterburyCanterbury, South East	0.54mg CL2/l	324.7mg CaCO3/l	Bad
4	EastleighEastleigh, South East	0.57mg CL2/l	295.5mg CaCO3/l	Bad
5	Basingstoke and DeaneBasingstoke and Deane, South East	0.59mg CL2/l	283mg CaCO3/l	Bad
6	SouthamptonSouthampton, South East	0.55mg CL2/l	298.6mg CaCO3/l	Bad
7	BaberghBabergh, East of England	0.44mg CL2/l	353.5mg CaCO3/l	OK
8	Mid SuffolkMid Suffolk, East of England	0.34mg CL2/l	404mg CaCO3/l	OK
9	South KestevenSouth Kesteven, East Midlands	0.4mg CL2/l	368.1mg CaCO3/l	OK
10	DartfordDartford, South East	0.48mg CL2/l	326.5mg CaCO3/l	OK
11	IpswichIpswich, East of England	0.37mg CL2/l	383.7mg CaCO3/l	OK
12	Kingston upon Hull, City ofKingston upon Hull, City of, Yorkshire and The Humber	0.43mg CL2/l	347.2mg CaCO3/l	OK
13	BrecklandBreckland, East of England	0.4mg CL2/l	356.7mg CaCO3/l	OK
14	South NorfolkSouth Norfolk, East of England	0.39mg CL2/l	359mg CaCO3/l	OK
15	SwaleSwale, South East	0.52mg CL2/l	290.3mg CaCO3/l	Bad
16	RochdaleRochdale, North West	0.99mg CL2/l	27.9mg CaCO3/l	Bad
17	West SuffolkWest Suffolk, East of England	0.37mg CL2/l	365.4mg CaCO3/l	OK
18	Test ValleyTest Valley, South East	0.5mg CL2/l	296.9mg CaCO3/l	OK
19	WinchesterWinchester, South East	0.48mg CL2/l	300.4mg CaCO3/l	OK
20	ThanetThanet, South East	0.41mg CL2/l	335.9mg CaCO3/l	OK

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

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