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Southern Water · South East

Tap Water Quality in BN3

The BN3 area (Hove) is served by Southern Water. Water here is typically very hard (290 mg/L CaCO₃). Enter any BN3 postcode for your exact zone report.

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Key facts — BN3
Water company
Southern Water
South East
Typical hardness
290 mg/L
Very Hard (CaCO₃)
Region
South East
Official UK region

Check the tap water quality for any postcode in the BN3 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.

BN3 (Hove) is served by Southern Water. Very Hard water (290 mg/L CaCO₃). Heavy limescale on heating elements, taps and showerheads is expected. A water softener or reverse osmosis system is strongly recommended.

Is BN3 tap water safe?

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. BN3 1AA) gives you data for your specific supply zone rather than a district average.

What does very hard water mean for BN3 homes?

Heavy limescale on heating elements, taps and showerheads is expected. A water softener or reverse osmosis system is strongly recommended. 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.

Get your full water quality report

Enter your full postcode above to check your exact supply zone — hardness, nitrates, lead, PFAS status and more.

Check BN3 water →
Frequently asked questions — BN3 tap water
Is BN3 tap water safe to drink?

Yes. BN3 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.

Who supplies water in BN3?

BN3 is primarily supplied by Southern Water. 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.

Is BN3 water hard or soft?

BN3 has very hard water, typically around 290 mg/L CaCO₃. Heavy limescale on heating elements, taps and showerheads is expected. A water softener or reverse osmosis system is strongly recommended.

Does BN3 tap water have PFAS?

PFAS (per- and polyfluoroalkyl substances) are detected at low levels in many UK water supplies. The best way to check current PFAS status for BN3 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.

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