UK Water Quality Report • 2026 Data

Water Hardness in WC2R

Water supply analysis across 4 postcode sectors in WC2R (Thames Water).

Outcode Avg Hardness275 PPMHard Water
Regional Quality Overview

Water Supply Analysis: Outcode WC2R

For residents and businesses in outcode WC2R, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that WC2R averages 275 PPM in mineral content, falling into the Hard Water classification.

Water chemistry can fluctuate across supply zones in WC2R. The lowest mineral concentration is recorded in sector WC2R 0 at 275 PPM, whereas sector WC2R 3 experiences higher mineral levels reaching 275 PPM.

Due to the hard water (275 PPM) in WC2R, 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 WC2R

Lowest mineral concentration

Softest
Sector WC2R 054 Postcodes • Hard
275 PPM19.3 °Clark

Hardest Sector in WC2R

Highest mineral concentration

Highest Hardness
Sector WC2R 315 Postcodes • Hard
275 PPM19.3 °Clark

All Postcode Sectors in WC2R

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