London vs Sheffield
Water quality comparison
According to TapWater.uk, London scores 8.3/10 and Sheffield scores 9.6/10 for drinking water quality. Sheffield has the better water.
Sheffield has better water quality by 1.4 points
Key differences
Safety score
Sheffield scores 1.4 points higher than London.
Contaminants flagged
London has 79 issues flagged vs 0 in Sheffield.
Water supplier
London is supplied by Thames Water, while Sheffield uses Yorkshire Water.
Water hardness
London has very hard water (274 mg/L), Sheffield has moderately soft water (120 mg/L).
Top concerns by city
London
Nitrite57 areas
Coliform Bacteria15 areas
E. coli4 areas
Lead2 areas
Sheffield
No contaminants flagged
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