UK Water Quality Report • 2026 Data

Water Hardness in M6

Water supply analysis across 4 postcode sectors in M6 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode M6

Looking for water hardness metrics in M6? Water supplied by United Utilities in this outcode registers a baseline average of 45 PPM across 4 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in M6. The lowest mineral concentration is recorded in sector M6 5 at 45 PPM, whereas sector M6 8 experiences higher mineral levels reaching 45 PPM.

Since M6 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 M6

Lowest mineral concentration

Softest
Sector M6 5215 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in M6

Highest mineral concentration

Highest Hardness
Sector M6 8225 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in M6

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