UK Water Quality Report • 2026 Data

Water Hardness in L35

Water supply analysis across 10 postcode sectors in L35 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode L35

Analyzing water quality disclosures across all 10 postcode sectors in outcode L35 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 L35. The lowest mineral concentration is recorded in sector L35 0 at 45 PPM, whereas sector L35 9 experiences higher mineral levels reaching 45 PPM.

Since L35 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 L35

Lowest mineral concentration

Softest
Sector L35 078 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in L35

Highest mineral concentration

Highest Hardness
Sector L35 937 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in L35

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