UK Water Quality Report • 2026 Data

Water Hardness in L70

Water supply analysis across 4 postcode sectors in L70 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode L70

Looking for water hardness metrics in L70? Water supplied by United Utilities in this outcode registers a baseline average of 45 PPM across 4 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in L70. The lowest mineral concentration is recorded in sector L70 1 at 45 PPM, whereas sector L70 9 experiences higher mineral levels reaching 45 PPM.

Since L70 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 L70

Lowest mineral concentration

Softest
Sector L70 19 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in L70

Highest mineral concentration

Highest Hardness
Sector L70 91 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in L70

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