UK Water Quality Report • 2026 Data

Water Hardness in CH47

Water supply analysis across 10 postcode sectors in CH47 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode CH47

Analyzing water quality disclosures across all 10 postcode sectors in outcode CH47 reveals an average water hardness of 45 PPM (Soft Water). Public water supply across this area is managed by United Utilities, responsible for treating and delivering water to residential households.

Water chemistry can fluctuate across supply zones in CH47. The lowest mineral concentration is recorded in sector CH47 0 at 45 PPM, whereas sector CH47 9 experiences higher mineral levels reaching 45 PPM.

Since CH47 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 CH47

Lowest mineral concentration

Softest
Sector CH47 035 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in CH47

Highest mineral concentration

Highest Hardness
Sector CH47 930 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in CH47

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