UK Water Quality Report • 2026 Data

Water Hardness in ME20

Water supply analysis across 2 postcode sectors in ME20 (South East Water).

Outcode Avg Hardness270 PPMHard Water
Regional Quality Overview

Water Supply Analysis: Outcode ME20

For residents and businesses in outcode ME20, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that ME20 averages 270 PPM in mineral content, falling into the Hard Water classification.

Water chemistry can fluctuate across supply zones in ME20. The lowest mineral concentration is recorded in sector ME20 6 at 270 PPM, whereas sector ME20 7 experiences higher mineral levels reaching 270 PPM.

Due to the hard water (270 PPM) in ME20, limescale build-up can occur on heating elements, shower heads, and boilers. Setting your dishwasher water softener to the correct level (e.g. Bosch setting H04) is strongly recommended to prevent cloudy glassware and internal scale accumulation. Review the individual postcode sectors below to get precise dishwasher salt settings and limescale recommendations.

Softest Sector in ME20

Lowest mineral concentration

Softest
Sector ME20 6302 Postcodes • Hard
270 PPM18.9 °Clark

Hardest Sector in ME20

Highest mineral concentration

Highest Hardness
Sector ME20 7278 Postcodes • Hard
270 PPM18.9 °Clark

All Postcode Sectors in ME20

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