UK Water Quality Report • 2026 Data

Water Hardness in BH11

Water supply analysis across 3 postcode sectors in BH11 (South West Water).

Outcode Avg Hardness40 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode BH11

Looking for water hardness metrics in BH11? Water supplied by South West Water in this outcode registers a baseline average of 40 PPM across 3 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in BH11. The lowest mineral concentration is recorded in sector BH11 0 at 40 PPM, whereas sector BH11 9 experiences higher mineral levels reaching 40 PPM.

Since BH11 enjoys soft water (40 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 BH11

Lowest mineral concentration

Softest
Sector BH11 04 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in BH11

Highest mineral concentration

Highest Hardness
Sector BH11 9300 Postcodes • Soft
40 PPM2.8 °Clark

All Postcode Sectors in BH11

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