UK Water Quality Report • 2026 Data

Water Hardness in M12

Water supply analysis across 4 postcode sectors in M12 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode M12

Looking for water hardness metrics in M12? 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 M12. The lowest mineral concentration is recorded in sector M12 0 at 45 PPM, whereas sector M12 6 experiences higher mineral levels reaching 45 PPM.

Since M12 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 M12

Lowest mineral concentration

Softest
Sector M12 010 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in M12

Highest mineral concentration

Highest Hardness
Sector M12 697 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in M12

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