UK Water Quality Report • 2026 Data

Water Hardness in GU28

Water supply analysis across 3 postcode sectors in GU28 (Scottish Water).

Outcode Avg Hardness25 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode GU28

For residents and businesses in outcode GU28, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that GU28 averages 25 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in GU28. The lowest mineral concentration is recorded in sector GU28 0 at 25 PPM, whereas sector GU28 9 experiences higher mineral levels reaching 25 PPM.

Since GU28 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 GU28

Lowest mineral concentration

Softest
Sector GU28 0205 Postcodes • Soft
25 PPM1.8 °Clark

Hardest Sector in GU28

Highest mineral concentration

Highest Hardness
Sector GU28 9144 Postcodes • Soft
25 PPM1.8 °Clark

All Postcode Sectors in GU28

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