UK Water Quality Report • 2026 Data

Water Hardness in CH46

Water supply analysis across 10 postcode sectors in CH46 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode CH46

Looking for water hardness metrics in CH46? Water supplied by United Utilities in this outcode registers a baseline average of 45 PPM across 10 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in CH46. The lowest mineral concentration is recorded in sector CH46 0 at 45 PPM, whereas sector CH46 9 experiences higher mineral levels reaching 45 PPM.

Since CH46 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 CH46

Lowest mineral concentration

Softest
Sector CH46 0102 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in CH46

Highest mineral concentration

Highest Hardness
Sector CH46 970 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in CH46

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