UK Water Quality Report • 2026 Data

Water Hardness in SK23

Water supply analysis across 4 postcode sectors in SK23 (Severn Trent Water).

Outcode Avg Hardness131.3 PPMModerately Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode SK23

For residents and businesses in outcode SK23, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that SK23 averages 131.3 PPM in mineral content, falling into the Moderately Hard Water classification.

Water chemistry can fluctuate across supply zones in SK23. The lowest mineral concentration is recorded in sector SK23 7 at 45 PPM, whereas sector SK23 9 experiences higher mineral levels reaching 160 PPM.

Due to the moderately hard water (131.3 PPM) in SK23, 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 H02) 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 SK23

Lowest mineral concentration

Softest
Sector SK23 7235 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in SK23

Highest mineral concentration

Highest Hardness
Sector SK23 971 Postcodes • Moderately Hard
160 PPM11.2 °Clark

All Postcode Sectors in SK23

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