UK Water Quality Report • 2026 Data

Water Hardness in PA4

Water supply analysis across 3 postcode sectors in PA4 (Scottish Water).

Outcode Avg Hardness25 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode PA4

Looking for water hardness metrics in PA4? Water supplied by Scottish Water in this outcode registers a baseline average of 25 PPM across 3 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in PA4. The lowest mineral concentration is recorded in sector PA4 0 at 25 PPM, whereas sector PA4 9 experiences higher mineral levels reaching 25 PPM.

Since PA4 enjoys soft water (25 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 PA4

Lowest mineral concentration

Softest
Sector PA4 0222 Postcodes • Soft
25 PPM1.8 °Clark

Hardest Sector in PA4

Highest mineral concentration

Highest Hardness
Sector PA4 9112 Postcodes • Soft
25 PPM1.8 °Clark

All Postcode Sectors in PA4

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