UK Water Quality Report • 2026 Data

Water Hardness in M33

Water supply analysis across 7 postcode sectors in M33 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode M33

Looking for water hardness metrics in M33? Water supplied by United Utilities in this outcode registers a baseline average of 45 PPM across 7 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in M33. The lowest mineral concentration is recorded in sector M33 0 at 45 PPM, whereas sector M33 7 experiences higher mineral levels reaching 45 PPM.

Since M33 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 M33

Lowest mineral concentration

Softest
Sector M33 024 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in M33

Highest mineral concentration

Highest Hardness
Sector M33 7191 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in M33

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