UK Water Quality Report • 2026 Data

Water Hardness in WR13

Water supply analysis across 2 postcode sectors in WR13 (Severn Trent / Hafren Dyfrdwy).

Outcode Avg Hardness155 PPMModerately Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode WR13

Looking for water hardness metrics in WR13? Water supplied by Severn Trent / Hafren Dyfrdwy in this outcode registers a baseline average of 155 PPM across 2 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in WR13. The lowest mineral concentration is recorded in sector WR13 5 at 150 PPM, whereas sector WR13 6 experiences higher mineral levels reaching 160 PPM.

Due to the moderately hard water (155 PPM) in WR13, 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 WR13

Lowest mineral concentration

Softest
Sector WR13 5159 Postcodes • Moderately Hard
150 PPM10.5 °Clark

Hardest Sector in WR13

Highest mineral concentration

Highest Hardness
Sector WR13 6218 Postcodes • Moderately Hard
160 PPM11.2 °Clark

All Postcode Sectors in WR13

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