The ST1 area (Stoke-on-Trent) is served by Severn Trent. Water here is typically moderately hard (160 mg/L CaCO₃). Enter any ST1 postcode for your exact zone report.
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Check the tap water quality for any postcode in the ST1 area. Data sourced from official annual compliance reports submitted to the Drinking Water Inspectorate (DWI). Results include water hardness, nitrate levels, lead, trihalomethanes (THMs), fluoride and PFAS enforcement status.
ST1 (Stoke-on-Trent) is served by Severn Trent. Moderately Hard water (160 mg/L CaCO₃). Some limescale build-up expected. A jug filter will improve taste.
Yes — UK tap water is subject to rigorous testing and regulation, with over 99.9% of samples passing all legal standards each year. However, water quality can vary between individual supply zones even within the same postcode district. Entering your full postcode (e.g. ST1 1AA) gives you data for your specific supply zone rather than a district average.
Some limescale build-up expected. A jug filter will improve taste. Hard water is not a health risk, but it does affect appliances. Limescale on kettle elements increases electricity consumption. In very hard water areas, a water softener can extend the life of boilers, washing machines, and dishwashers significantly.
Enter your full postcode above to check your exact supply zone — hardness, nitrates, lead, PFAS status and more.
Check ST1 water →Yes. ST1 tap water is safe to drink under current UK guidelines. Over 99.9% of tap water tests in the UK pass legal standards each year. Enter your full postcode for a detailed report on your specific supply zone.
ST1 is primarily supplied by Severn Trent. Thames Water, Anglian Water, United Utilities, Yorkshire Water, Southern Water, Severn Trent and several other companies hold active DWI PFAS improvement notices. Enter your full postcode to confirm your exact supplier.
ST1 has moderately hard water, typically around 160 mg/L CaCO₃. Some limescale build-up expected. A jug filter will improve taste.
PFAS (per- and polyfluoroalkyl substances) are detected at low levels in many UK water supplies. The best way to check current PFAS status for ST1 is to enter your exact postcode above and check your zone's report, or visit the Drinking Water Inspectorate (DWI) website for the latest enforcement register.