UK Water Quality Report • 2026 Data

Water Hardness in BL7

Water supply analysis across 3 postcode sectors in BL7 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode BL7

Looking for water hardness metrics in BL7? Water supplied by United Utilities in this outcode registers a baseline average of 45 PPM across 3 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in BL7. The lowest mineral concentration is recorded in sector BL7 0 at 45 PPM, whereas sector BL7 9 experiences higher mineral levels reaching 45 PPM.

Since BL7 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 BL7

Lowest mineral concentration

Softest
Sector BL7 0176 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in BL7

Highest mineral concentration

Highest Hardness
Sector BL7 9297 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in BL7

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