England
Southern Water supplies Southampton from chalk aquifers in the Test Valley and river abstraction points.
Average score
8.9/10
UK avg: 9.1/10
Areas tested
8
Issues flagged
5
PFAS detected
None
Yes, Southampton tap water is safe to drink. Based on 8 areas tested, Southampton has an average water quality score of 8.9/10 (below the UK average of 9.1/10). 5 contaminants were flagged above recommended levels across all areas. Water is supplied by Southern Water. Southern Water supplies Southampton from chalk aquifers in the Test Valley and river abstraction points.
Contaminants flagged most often across the city.
All postcode districts in Southampton, ranked by water quality score.
Learn more about the water quality issues relevant to this area.
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