UK Water Quality Report • 2026 Data

Water Hardness in GU22

Water supply analysis across 5 postcode sectors in GU22 (Scottish Water).

Outcode Avg Hardness25 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode GU22

For residents and businesses in outcode GU22, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that GU22 averages 25 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in GU22. The lowest mineral concentration is recorded in sector GU22 0 at 25 PPM, whereas sector GU22 9 experiences higher mineral levels reaching 25 PPM.

Since GU22 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 GU22

Lowest mineral concentration

Softest
Sector GU22 0190 Postcodes • Soft
25 PPM1.8 °Clark

Hardest Sector in GU22

Highest mineral concentration

Highest Hardness
Sector GU22 9193 Postcodes • Soft
25 PPM1.8 °Clark

All Postcode Sectors in GU22

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