UK Water Quality Report • 2026 Data

Water Hardness in NG23

Water supply analysis across 3 postcode sectors in NG23 (Severn Trent Water).

Outcode Avg Hardness210 PPMHard Water
Regional Quality Overview

Water Supply Analysis: Outcode NG23

For residents and businesses in outcode NG23, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that NG23 averages 210 PPM in mineral content, falling into the Hard Water classification.

Water chemistry can fluctuate across supply zones in NG23. The lowest mineral concentration is recorded in sector NG23 5 at 160 PPM, whereas sector NG23 7 experiences higher mineral levels reaching 310 PPM.

Due to the hard water (210 PPM) in NG23, 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 NG23

Lowest mineral concentration

Softest
Sector NG23 5288 Postcodes • Moderately Hard
160 PPM11.2 °Clark

Hardest Sector in NG23

Highest mineral concentration

Highest Hardness
Sector NG23 7222 Postcodes • Very Hard
310 PPM21.7 °Clark

All Postcode Sectors in NG23

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