UK Water Quality Report • 2026 Data

Water Hardness in HR8

Water supply analysis across 3 postcode sectors in HR8 (Severn Trent / Hafren Dyfrdwy).

Outcode Avg Hardness150 PPMModerately Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode HR8

Analyzing water quality disclosures across all 3 postcode sectors in outcode HR8 reveals an average water hardness of 150 PPM (Moderately Hard Water). Public water supply across this area is managed by Severn Trent / Hafren Dyfrdwy, responsible for treating and delivering water to residential households.

Water chemistry can fluctuate across supply zones in HR8. The lowest mineral concentration is recorded in sector HR8 1 at 150 PPM, whereas sector HR8 9 experiences higher mineral levels reaching 150 PPM.

Due to the moderately hard water (150 PPM) in HR8, 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 H02) 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 HR8

Lowest mineral concentration

Softest
Sector HR8 1234 Postcodes • Moderately Hard
150 PPM10.5 °Clark

Hardest Sector in HR8

Highest mineral concentration

Highest Hardness
Sector HR8 93 Postcodes • Moderately Hard
150 PPM10.5 °Clark

All Postcode Sectors in HR8

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