UK Water Quality Report • 2026 Data

Water Hardness in S98

Water supply analysis across 2 postcode sectors in S98 (Yorkshire Water).

Outcode Avg Hardness110 PPMModerately Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode S98

For residents and businesses in outcode S98, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that S98 averages 110 PPM in mineral content, falling into the Moderately Hard Water classification.

Water chemistry can fluctuate across supply zones in S98. The lowest mineral concentration is recorded in sector S98 1 at 110 PPM, whereas sector S98 6 experiences higher mineral levels reaching 110 PPM.

Due to the moderately hard water (110 PPM) in S98, 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 S98

Lowest mineral concentration

Softest
Sector S98 1192 Postcodes • Moderately Soft
110 PPM7.7 °Clark

Hardest Sector in S98

Highest mineral concentration

Highest Hardness
Sector S98 63 Postcodes • Moderately Soft
110 PPM7.7 °Clark

All Postcode Sectors in S98

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