UK Water Quality Report • 2026 Data

Water Hardness in GU46

Water supply analysis across 2 postcode sectors in GU46 (Scottish Water).

Outcode Avg Hardness25 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode GU46

For residents and businesses in outcode GU46, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that GU46 averages 25 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in GU46. The lowest mineral concentration is recorded in sector GU46 6 at 25 PPM, whereas sector GU46 7 experiences higher mineral levels reaching 25 PPM.

Since GU46 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 GU46

Lowest mineral concentration

Softest
Sector GU46 6231 Postcodes • Soft
25 PPM1.8 °Clark

Hardest Sector in GU46

Highest mineral concentration

Highest Hardness
Sector GU46 7112 Postcodes • Soft
25 PPM1.8 °Clark

All Postcode Sectors in GU46

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