UK Water Quality Report • 2026 Data

Water Hardness in ME9

Water supply analysis across 4 postcode sectors in ME9 (South East Water).

Outcode Avg Hardness275 PPMHard Water
Regional Quality Overview

Water Supply Analysis: Outcode ME9

Looking for water hardness metrics in ME9? Water supplied by South East Water in this outcode registers a baseline average of 275 PPM across 4 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in ME9. The lowest mineral concentration is recorded in sector ME9 0 at 270 PPM, whereas sector ME9 8 experiences higher mineral levels reaching 280 PPM.

Due to the hard water (275 PPM) in ME9, 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 ME9

Lowest mineral concentration

Softest
Sector ME9 0163 Postcodes • Hard
270 PPM18.9 °Clark

Hardest Sector in ME9

Highest mineral concentration

Highest Hardness
Sector ME9 8258 Postcodes • Hard
280 PPM19.6 °Clark

All Postcode Sectors in ME9

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