UK Water Quality Report • 2026 Data

Water Hardness in PH42

Water supply analysis across 1 postcode sectors in PH42 (Scottish Water).

Outcode Avg Hardness25 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode PH42

Looking for water hardness metrics in PH42? Water supplied by Scottish Water in this outcode registers a baseline average of 25 PPM across 1 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in PH42. The lowest mineral concentration is recorded in sector PH42 4 at 25 PPM, whereas sector PH42 4 experiences higher mineral levels reaching 25 PPM.

Since PH42 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 PH42

Lowest mineral concentration

Softest
Sector PH42 41 Postcodes • Soft
25 PPM1.8 °Clark

Hardest Sector in PH42

Highest mineral concentration

Highest Hardness
Sector PH42 41 Postcodes • Soft
25 PPM1.8 °Clark

All Postcode Sectors in PH42

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