UK Water Quality Report • 2026 Data

Water Hardness in CT14

Water supply analysis across 6 postcode sectors in CT14 (Southern Water).

Outcode Avg Hardness281.7 PPMHard Water
Regional Quality Overview

Water Supply Analysis: Outcode CT14

Analyzing water quality disclosures across all 6 postcode sectors in outcode CT14 reveals an average water hardness of 281.7 PPM (Hard Water). Public water supply across this area is managed by Southern Water, responsible for treating and delivering water to residential households.

Water chemistry can fluctuate across supply zones in CT14. The lowest mineral concentration is recorded in sector CT14 0 at 280 PPM, whereas sector CT14 8 experiences higher mineral levels reaching 290 PPM.

Due to the hard water (281.7 PPM) in CT14, 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 CT14

Lowest mineral concentration

Softest
Sector CT14 0173 Postcodes • Hard
280 PPM19.6 °Clark

Hardest Sector in CT14

Highest mineral concentration

Highest Hardness
Sector CT14 8115 Postcodes • Hard
290 PPM20.3 °Clark

All Postcode Sectors in CT14

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