UK Water Quality Report • 2026 Data

Water Hardness in PH40

Water supply analysis across 1 postcode sectors in PH40 (Scottish Water).

Outcode Avg Hardness25 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode PH40

Analyzing water quality disclosures across all 1 postcode sectors in outcode PH40 reveals an average water hardness of 25 PPM (Soft Water). Public water supply across this area is managed by Scottish Water, responsible for treating and delivering water to residential households.

Water chemistry can fluctuate across supply zones in PH40. The lowest mineral concentration is recorded in sector PH40 4 at 25 PPM, whereas sector PH40 4 experiences higher mineral levels reaching 25 PPM.

Since PH40 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 PH40

Lowest mineral concentration

Softest
Sector PH40 410 Postcodes • Soft
25 PPM1.8 °Clark

Hardest Sector in PH40

Highest mineral concentration

Highest Hardness
Sector PH40 410 Postcodes • Soft
25 PPM1.8 °Clark

All Postcode Sectors in PH40

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