UK Water Quality Report • 2026 Data

Water Hardness in SK9

Water supply analysis across 8 postcode sectors in SK9 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode SK9

Looking for water hardness metrics in SK9? Water supplied by United Utilities in this outcode registers a baseline average of 45 PPM across 8 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in SK9. The lowest mineral concentration is recorded in sector SK9 0 at 45 PPM, whereas sector SK9 7 experiences higher mineral levels reaching 45 PPM.

Since SK9 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 SK9

Lowest mineral concentration

Softest
Sector SK9 041 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in SK9

Highest mineral concentration

Highest Hardness
Sector SK9 7218 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in SK9

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