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Water quality in South East England

Water quality in Kent, Sussex, Surrey, Hampshire and surrounding areas. Supplied by Southern Water, South East Water, and Portsmouth Water.

8.8

Avg score /10

21

Areas tested

2

Suppliers

0

PFAS detections

Tap water in South East England has an average safety score of 8.8 out of 10 based on testing across 21 postcode districts. Water is supplied by Southern Water, Portsmouth Water. The overall water quality is good. Data is sourced from the Environment Agency and water company testing via the Stream Water Data Portal.

Try your postcode — e.g. SW1A, M1, B1

Cities in South East England

Average water quality score by city.

Water suppliers

Data sourced from the Environment Agency Water Quality Archive and water company testing via the Stream Water Data Portal. See our methodology for how scores are calculated.Reviewed by the TapWater.uk research team