UK Water Quality Report • 2026 Data

Water Hardness in ST19

Water supply analysis across 2 postcode sectors in ST19 (South Staffordshire Water).

Outcode Avg Hardness230 PPMHard Water
Regional Quality Overview

Water Supply Analysis: Outcode ST19

Analyzing water quality disclosures across all 2 postcode sectors in outcode ST19 reveals an average water hardness of 230 PPM (Hard Water). Public water supply across this area is managed by South Staffordshire Water, responsible for treating and delivering water to residential households.

Water chemistry can fluctuate across supply zones in ST19. The lowest mineral concentration is recorded in sector ST19 9 at 160 PPM, whereas sector ST19 5 experiences higher mineral levels reaching 300 PPM.

Due to the hard water (230 PPM) in ST19, 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 ST19

Lowest mineral concentration

Softest
Sector ST19 9196 Postcodes • Moderately Hard
160 PPM11.2 °Clark

Hardest Sector in ST19

Highest mineral concentration

Highest Hardness
Sector ST19 5261 Postcodes • Very Hard
300 PPM21 °Clark

All Postcode Sectors in ST19

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