UK Water Quality Report • 2026 Data

Water Hardness in NR34

Water supply analysis across 5 postcode sectors in NR34 (Anglian Water).

Outcode Avg Hardness318 PPMVery Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode NR34

Looking for water hardness metrics in NR34? Water supplied by Anglian Water in this outcode registers a baseline average of 318 PPM across 5 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in NR34. The lowest mineral concentration is recorded in sector NR34 0 at 310 PPM, whereas sector NR34 9 experiences higher mineral levels reaching 320 PPM.

Due to the very hard water (318 PPM) in NR34, 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 NR34

Lowest mineral concentration

Softest
Sector NR34 0113 Postcodes • Very Hard
310 PPM21.7 °Clark

Hardest Sector in NR34

Highest mineral concentration

Highest Hardness
Sector NR34 9290 Postcodes • Very Hard
320 PPM22.4 °Clark

All Postcode Sectors in NR34

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