UK Water Quality Report • 2026 Data

Water Hardness in PR4

Water supply analysis across 8 postcode sectors in PR4 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode PR4

For residents and businesses in outcode PR4, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that PR4 averages 45 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in PR4. The lowest mineral concentration is recorded in sector PR4 0 at 45 PPM, whereas sector PR4 9 experiences higher mineral levels reaching 45 PPM.

Since PR4 enjoys soft water (45 PPM), residents generally do not need dishwasher salt or heavy-duty limescale descalers. Standard detergent dosages are sufficient for laundry and dishwashing. Review the individual postcode sectors below to get precise dishwasher salt settings and limescale recommendations.

Softest Sector in PR4

Lowest mineral concentration

Softest
Sector PR4 0358 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in PR4

Highest mineral concentration

Highest Hardness
Sector PR4 914 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in PR4

Select a postcode sector below to view exact water softener salt settings, limescale protection guides, and appliance recommendations.