Tap water quality in Manchester

Manchester is estimated to have soft water (~50 mg/L CaCO₃), and all tested parameters are within UK drinking water limits.

Supplied by United Utilities · United Utilities E01033677 · Based on DWI laboratory analysis

Chlorine

1.00mg/L

Water hardness

Estimated

Estimated: Soft (~50 mg/L CaCO₃)

Based on typical regional geology in Greater Manchester. Lab-tested data for this specific supply zone is not yet available.

All tested parameters are within safe drinking water limits

For the analytes shown, reported values are within UK drinking water standards. This does not replace your supplier's formal water quality report.

How readings compare to limits

Chlorine

1.00 mg/L

No UK limit · WHO guideline 5 mg/L

What these readings mean

UK drinking water is regulated under the Water Supply (Water Quality) Regulations 2016, which set a prescribed concentration value (PCV) for each substance. United Utilities must sample against these and report the results to the Drinking Water Inspectorate.

Chlorine in Manchester

1.00 mg/L·UK limit no statutory limit

Added as a disinfectant and required to remain present through the network to keep water safe in transit. Typically 0.2–0.5 mg/L at the tap. A noticeable taste is usually harmless and fades if water stands in a covered jug.

Common questions about Manchester tap water

Is Manchester tap water safe to drink?

Yes. Manchester tap water is supplied by United Utilities and every parameter we hold (chlorine 1.00 mg/L) falls within UK drinking water standards set by the Drinking Water Inspectorate. Readings vary by supply zone, so check your exact postcode for local results.

Is Manchester hard or soft water?

Manchester is estimated to have soft water. Based on local geology, hardness is estimated at around 50 mg/L CaCO₃, which would be classed as soft on the UK scale. Lab CaCO₃ data for the supply zone is not yet published.

What is the water hardness in Manchester?

Water hardness in Manchester is estimated at around 50 mg/L CaCO₃ (soft), based on local geology. At this level limescale is not usually a problem.

Who supplies the tap water in Manchester?

Tap water in Manchester is supplied by United Utilities. They are responsible for treatment, distribution and the laboratory testing reported to the Drinking Water Inspectorate.

Sewage spills in Manchester

Official Environment Agency storm overflow data near the town centre.

Check your postcode

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