UK Water Quality Report • 2026 Data

Water Hardness in BL1

Water supply analysis across 9 postcode sectors in BL1 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode BL1

Looking for water hardness metrics in BL1? Water supplied by United Utilities in this outcode registers a baseline average of 45 PPM across 9 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in BL1. The lowest mineral concentration is recorded in sector BL1 1 at 45 PPM, whereas sector BL1 9 experiences higher mineral levels reaching 45 PPM.

Since BL1 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 BL1

Lowest mineral concentration

Softest
Sector BL1 1118 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in BL1

Highest mineral concentration

Highest Hardness
Sector BL1 949 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in BL1

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