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tapwater.uk

London vs Birmingham

Water quality comparison

According to TapWater.uk, London scores 8.3/10 and Birmingham scores 9.3/10 for drinking water quality. Birmingham has the better water.

Birmingham has better water quality by 1.0 points


Key differences

Safety score

Birmingham scores 1.0 points higher than London.

Contaminants flagged

London has 113 issues flagged vs 1 in Birmingham.

Water supplier

London is supplied by Thames Water, while Birmingham uses Severn Trent.


Top concerns by city

London

Nitrite64 areas
Coliform Bacteria19 areas
Iron7 areas
Turbidity7 areas

Birmingham

Nitrate1 area

Full city reports


Check your postcode

Get a detailed water quality report for your exact area.


More comparisons

Based on water quality data from 130 postcode districts across London and Birmingham. See our methodology for how scores are calculated.