London vs Manchester
Water quality comparison
According to TapWater.uk, London scores 8.3/10 and Manchester scores 9.7/10 for drinking water quality. Manchester has the better water.
Manchester has better water quality by 1.4 points
Key differences
Safety score
Manchester scores 1.4 points higher than London.
Contaminants flagged
London has 79 issues flagged vs 0 in Manchester.
Water supplier
London is supplied by Thames Water, while Manchester uses United Utilities.
Water hardness
London has very hard water (274 mg/L), Manchester has hard water (235 mg/L).
Top concerns by city
London
Nitrite57 areas
Coliform Bacteria15 areas
E. coli4 areas
Lead2 areas
Manchester
No contaminants flagged
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