UK Water Quality Report • 2026 Data

Water Hardness in WS9

Water supply analysis across 4 postcode sectors in WS9 (South Staffordshire Water).

Outcode Avg Hardness300 PPMVery Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode WS9

Looking for water hardness metrics in WS9? Water supplied by South Staffordshire Water in this outcode registers a baseline average of 300 PPM across 4 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in WS9. The lowest mineral concentration is recorded in sector WS9 0 at 300 PPM, whereas sector WS9 9 experiences higher mineral levels reaching 300 PPM.

Due to the very hard water (300 PPM) in WS9, limescale build-up can occur on heating elements, shower heads, and boilers. Setting your dishwasher water softener to the correct level (e.g. Bosch setting H07 (Max Salt)) is strongly recommended to prevent cloudy glassware and internal scale accumulation. Review the individual postcode sectors below to get precise dishwasher salt settings and limescale recommendations.

Softest Sector in WS9

Lowest mineral concentration

Softest
Sector WS9 0219 Postcodes • Very Hard
300 PPM21 °Clark

Hardest Sector in WS9

Highest mineral concentration

Highest Hardness
Sector WS9 9162 Postcodes • Very Hard
300 PPM21 °Clark

All Postcode Sectors in WS9

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