London vs Nottingham
Water quality comparison
According to TapWater.uk, London scores 8.3/10 and Nottingham scores 9.1/10 for drinking water quality. Nottingham has the better water.
LondonThames Water · very hard water8.3 out of 10 · 79 flagged across 58 areasNottinghamSevern Trent · hard water9.1 out of 10 · 0 flagged across 9 areas
Nottingham has better water quality, by 0.9 points.
Key differences
- Safety scoreNottingham scores 0.9 points higher than London.
- Contaminants flaggedLondon has 79 issues flagged vs 0 in Nottingham.
- Water supplierLondon is supplied by Thames Water, while Nottingham uses Severn Trent.
- Water hardnessLondon has very hard water (274 mg/L), Nottingham has hard water (236 mg/L).
Top concerns by city
London
- Nitrite57 areas
- Coliform Bacteria15 areas
- E. coli4 areas
- Lead2 areas
Nottingham
No contaminants flagged
Full city reports
London water reportNottingham water report
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More comparisons
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Based on water quality data from 67 postcode districts across London and Nottingham. See our methodology for how scores are calculated.