UK Water Quality Report • 2026 Data

Water Hardness in DY5

Water supply analysis across 5 postcode sectors in DY5 (South Staffordshire Water).

Outcode Avg Hardness300 PPMVery Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode DY5

Analyzing water quality disclosures across all 5 postcode sectors in outcode DY5 reveals an average water hardness of 300 PPM (Very 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 DY5. The lowest mineral concentration is recorded in sector DY5 1 at 300 PPM, whereas sector DY5 9 experiences higher mineral levels reaching 300 PPM.

Due to the very hard water (300 PPM) in DY5, 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 DY5

Lowest mineral concentration

Softest
Sector DY5 1188 Postcodes • Very Hard
300 PPM21 °Clark

Hardest Sector in DY5

Highest mineral concentration

Highest Hardness
Sector DY5 93 Postcodes • Very Hard
300 PPM21 °Clark

All Postcode Sectors in DY5

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