UK Water Quality Report • 2026 Data

Water Hardness in HU12

Water supply analysis across 3 postcode sectors in HU12 (Yorkshire Water).

Outcode Avg Hardness110 PPMModerately Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode HU12

For residents and businesses in outcode HU12, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that HU12 averages 110 PPM in mineral content, falling into the Moderately Hard Water classification.

Water chemistry can fluctuate across supply zones in HU12. The lowest mineral concentration is recorded in sector HU12 0 at 110 PPM, whereas sector HU12 9 experiences higher mineral levels reaching 110 PPM.

Due to the moderately hard water (110 PPM) in HU12, 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 H01) 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 HU12

Lowest mineral concentration

Softest
Sector HU12 0215 Postcodes • Moderately Soft
110 PPM7.7 °Clark

Hardest Sector in HU12

Highest mineral concentration

Highest Hardness
Sector HU12 9240 Postcodes • Moderately Soft
110 PPM7.7 °Clark

All Postcode Sectors in HU12

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