UK Water Quality Report • 2026 Data

Water Hardness in SK1

Water supply analysis across 5 postcode sectors in SK1 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode SK1

Analyzing water quality disclosures across all 5 postcode sectors in outcode SK1 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 SK1. The lowest mineral concentration is recorded in sector SK1 1 at 45 PPM, whereas sector SK1 9 experiences higher mineral levels reaching 45 PPM.

Since SK1 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 SK1

Lowest mineral concentration

Softest
Sector SK1 1102 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in SK1

Highest mineral concentration

Highest Hardness
Sector SK1 935 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in SK1

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