UK Water Quality Report • 2026 Data

Water Hardness in M23

Water supply analysis across 4 postcode sectors in M23 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode M23

For residents and businesses in outcode M23, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that M23 averages 45 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in M23. The lowest mineral concentration is recorded in sector M23 0 at 45 PPM, whereas sector M23 9 experiences higher mineral levels reaching 45 PPM.

Since M23 enjoys soft water (45 PPM), residents generally do not need dishwasher salt or heavy-duty limescale descalers. Standard detergent dosages are sufficient for laundry and dishwashing. Review the individual postcode sectors below to get precise dishwasher salt settings and limescale recommendations.

Softest Sector in M23

Lowest mineral concentration

Softest
Sector M23 0244 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in M23

Highest mineral concentration

Highest Hardness
Sector M23 9240 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in M23

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