UK Water Quality Report • 2026 Data

Water Hardness in L28

Water supply analysis across 8 postcode sectors in L28 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode L28

Looking for water hardness metrics in L28? 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 L28. The lowest mineral concentration is recorded in sector L28 0 at 45 PPM, whereas sector L28 8 experiences higher mineral levels reaching 45 PPM.

Since L28 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 L28

Lowest mineral concentration

Softest
Sector L28 014 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in L28

Highest mineral concentration

Highest Hardness
Sector L28 87 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in L28

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