London vs Birmingham
Water quality comparison
According to TapWater.uk, London scores 8.3/10 and Birmingham scores 9.2/10 for drinking water quality. Birmingham has the better water.
LondonThames Water · very hard water8.3 out of 10 · 79 flagged across 58 areasBirminghamSevern Trent · very hard water9.2 out of 10 · 0 flagged across 42 areas
Birmingham has better water quality, by 1.0 points.
Key differences
- Safety scoreBirmingham scores 1.0 points higher than London.
- Contaminants flaggedLondon has 79 issues flagged vs 0 in Birmingham.
- Water supplierLondon is supplied by Thames Water, while Birmingham uses Severn Trent.
Top concerns by city
London
- Nitrite57 areas
- Coliform Bacteria15 areas
- E. coli4 areas
- Lead2 areas
Birmingham
No contaminants flagged
Full city reports
London water reportBirmingham water report
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More comparisons
London vs ManchesterLondon vs LeedsLondon vs GlasgowLondon vs EdinburghLondon vs Bristol
Based on water quality data from 100 postcode districts across London and Birmingham. See our methodology for how scores are calculated.