UK Water Quality Report • 2026 Data

Water Hardness in KT24

Water supply analysis across 2 postcode sectors in KT24 (SES Water).

Outcode Avg Hardness275 PPMHard Water
Regional Quality Overview

Water Supply Analysis: Outcode KT24

Analyzing water quality disclosures across all 2 postcode sectors in outcode KT24 reveals an average water hardness of 275 PPM (Hard Water). Public water supply across this area is managed by SES Water, responsible for treating and delivering water to residential households.

Water chemistry can fluctuate across supply zones in KT24. The lowest mineral concentration is recorded in sector KT24 5 at 260 PPM, whereas sector KT24 6 experiences higher mineral levels reaching 290 PPM.

Due to the hard water (275 PPM) in KT24, 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 KT24

Lowest mineral concentration

Softest
Sector KT24 5183 Postcodes • Hard
260 PPM18.2 °Clark

Hardest Sector in KT24

Highest mineral concentration

Highest Hardness
Sector KT24 6205 Postcodes • Hard
290 PPM20.3 °Clark

All Postcode Sectors in KT24

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