What is the water quality in Preston?

The most commonly flagged contaminants across Preston are Manganese (flagged in 1 area), Iron (flagged in 1 area). No PFAS were detected.

Is Preston water hard or soft?

Hardness data is not yet available for Preston. Enter your postcode for detailed water quality data.

Which areas of Preston have the best water?

The areas with the best water quality in Preston are PR0 (9.7/10), PR11 (9.7/10), PR26 (9.7/10).

Are there PFAS in Preston water?

No PFAS (forever chemicals) have been detected in any of the 9 areas tested in Preston.

North West England

Is Preston tap water safe to drink?

Q: Is Preston tap water safe to drink?

Yes, Preston tap water is generally safe to drink. Across 9 areas tested, the average water quality score is 9.5/10. United Utilities serves Preston from Thirlmere and Haweswater in the Lake District, via the Pennine aqueduct.

Q: Who supplies water in Preston?

Water in Preston is supplied by United Utilities. United Utilities serves Preston from Thirlmere and Haweswater in the Lake District, via the Pennine aqueduct.

United Utilities serves Preston from Thirlmere and Haweswater in the Lake District, via the Pennine aqueduct.

According to TapWater.uk's analysis, Preston scores 9.5/10 for drinking water quality in 2026. Water is supplied by United Utilities and has been tested for 15 contaminants across 9 postcode districts.

Average score

9.5/10

UK avg: 9.1/10

Areas tested

Issues flagged

PFAS detected

None

Yes, Preston tap water is safe to drink. Based on 9 areas tested, Preston has an average water quality score of 9.5/10 (above the UK average of 9.1/10). 2 contaminants were flagged above recommended levels across all areas. Water is supplied by United Utilities. United Utilities serves Preston from Thirlmere and Haweswater in the Lake District, via the Pennine aqueduct.