UK Water Quality Report • 2026 Data

Water Hardness in ME18

Water supply analysis across 2 postcode sectors in ME18 (South East Water).

Outcode Avg Hardness270 PPMHard Water
Regional Quality Overview

Water Supply Analysis: Outcode ME18

Looking for water hardness metrics in ME18? Water supplied by South East Water in this outcode registers a baseline average of 270 PPM across 2 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in ME18. The lowest mineral concentration is recorded in sector ME18 5 at 270 PPM, whereas sector ME18 6 experiences higher mineral levels reaching 270 PPM.

Due to the hard water (270 PPM) in ME18, 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 ME18

Lowest mineral concentration

Softest
Sector ME18 5196 Postcodes • Hard
270 PPM18.9 °Clark

Hardest Sector in ME18

Highest mineral concentration

Highest Hardness
Sector ME18 6119 Postcodes • Hard
270 PPM18.9 °Clark

All Postcode Sectors in ME18

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