UK Water Quality Report • 2026 Data

Water Hardness in OL6

Water supply analysis across 5 postcode sectors in OL6 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode OL6

Looking for water hardness metrics in OL6? Water supplied by United Utilities in this outcode registers a baseline average of 45 PPM across 5 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in OL6. The lowest mineral concentration is recorded in sector OL6 0 at 45 PPM, whereas sector OL6 9 experiences higher mineral levels reaching 45 PPM.

Since OL6 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 OL6

Lowest mineral concentration

Softest
Sector OL6 011 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in OL6

Highest mineral concentration

Highest Hardness
Sector OL6 9239 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in OL6

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