UK Water Quality Report • 2026 Data

Water Hardness in PE23

Water supply analysis across 3 postcode sectors in PE23 (Anglian Water).

Outcode Avg Hardness310 PPMVery Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode PE23

For residents and businesses in outcode PE23, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that PE23 averages 310 PPM in mineral content, falling into the Very Hard Water classification.

Water chemistry can fluctuate across supply zones in PE23. The lowest mineral concentration is recorded in sector PE23 4 at 310 PPM, whereas sector PE23 9 experiences higher mineral levels reaching 310 PPM.

Due to the very hard water (310 PPM) in PE23, 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 H07 (Max Salt)) 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 PE23

Lowest mineral concentration

Softest
Sector PE23 4152 Postcodes • Very Hard
310 PPM21.7 °Clark

Hardest Sector in PE23

Highest mineral concentration

Highest Hardness
Sector PE23 91 Postcodes • Very Hard
310 PPM21.7 °Clark

All Postcode Sectors in PE23

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