Bristol Water draws from the Mendip Hills reservoirs and underground sources in the surrounding area.
According to TapWater.uk's analysis, Bristol scores 8.7/10 for drinking water quality in 2026. Water is supplied by Bristol Water and has been tested for 20 contaminants across 23 postcode districts.
Average score
8.7/10
UK avg: 9.0/10
Areas tested
23
Issues flagged
1
PFAS detected
2 areas
Yes, Bristol tap water is safe to drink. Based on 23 areas tested, Bristol has an average water quality score of 8.7/10 (below the UK average of 9.0/10). 1 contaminant was flagged above recommended levels across all areas. Water is supplied by Bristol Water. Bristol Water draws from the Mendip Hills reservoirs and underground sources in the surrounding area. PFAS (forever chemicals) were detected in 2 of 23 areas monitored.
Contaminants flagged most often across the city.
All postcode districts in Bristol, ranked by water quality score.
1 additional area with limited data:
Learn more about the water quality issues relevant to this area.
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Yes, Bristol tap water is generally safe to drink. Across 23 areas tested, the average water quality score is 8.7/10. Bristol Water draws from the Mendip Hills reservoirs and underground sources in the surrounding area.
Yes, you can drink tap water in Bristol. It is regulated to UK drinking water standards, and across 23 tested areas the average water quality score is 8.7/10. Enter your postcode for the readings in your exact area.
The most commonly flagged contaminants across Bristol are Ammonia (flagged in 1 area). PFAS (forever chemicals) were detected in 2 areas.
Water in Bristol has an average hardness of 233 mg/L CaCO₃, which is classified as hard. Hard water causes limescale buildup in kettles and appliances. A water softener or filter may help.
The areas with the best water quality in Bristol are BS40 (9.6/10), BS49 (9.5/10), BS23 (9.4/10).
Water in Bristol is supplied by Bristol Water. Bristol Water draws from the Mendip Hills reservoirs and underground sources in the surrounding area.
PFAS (forever chemicals) have been detected in 2 out of 23 areas tested in Bristol. The UK currently has no legal limit for PFAS in drinking water. Check your specific postcode for details.
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