UK Water Quality Report • 2026 Data

Water Hardness in OL8

Water supply analysis across 4 postcode sectors in OL8 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode OL8

For residents and businesses in outcode OL8, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that OL8 averages 45 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in OL8. The lowest mineral concentration is recorded in sector OL8 1 at 45 PPM, whereas sector OL8 4 experiences higher mineral levels reaching 45 PPM.

Since OL8 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 OL8

Lowest mineral concentration

Softest
Sector OL8 1205 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in OL8

Highest mineral concentration

Highest Hardness
Sector OL8 4177 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in OL8

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