Tap water quality in Southampton

Supplied by Southern Water · Southern Water E01032748 · Based on DWI laboratory analysis

Nitrates

—mg/L

Chlorine

0.63mg/L

Lead

—µg/L

Fluoride

—mg/L

Water hardness

Estimated

Estimated: Very Hard (~350 mg/L CaCO₃)

Based on the chalk geology in Hampshire. Lab-tested data for this specific supply zone is not yet available.

Your area is likely to have hard water. This can affect skin conditions and cause limescale buildup.

How readings compare to limits

Nitrates

— mg/L

PCV / limit: 50 mg/L

Chlorine

0.63 mg/L

PCV / limit: 0.5 mg/L

Fluoride

— mg/L

PCV / limit: 1.5 mg/L

Lead

— µg/L

PCV / limit: 10 µg/L

Sewage spills in Southampton

Official Environment Agency storm overflow data near the town centre.

Check your postcode

Look up any UK address for lab results and nearby overflows.