UK Water Quality Report • 2026 Data

Water Hardness in DE6

Water supply analysis across 6 postcode sectors in DE6 (Severn Trent Water).

Outcode Avg Hardness183.3 PPMModerately Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode DE6

Looking for water hardness metrics in DE6? Water supplied by Severn Trent Water in this outcode registers a baseline average of 183.3 PPM across 6 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in DE6. The lowest mineral concentration is recorded in sector DE6 1 at 160 PPM, whereas sector DE6 2 experiences higher mineral levels reaching 300 PPM.

Due to the moderately hard water (183.3 PPM) in DE6, 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 DE6

Lowest mineral concentration

Softest
Sector DE6 1298 Postcodes • Moderately Hard
160 PPM11.2 °Clark

Hardest Sector in DE6

Highest mineral concentration

Highest Hardness
Sector DE6 2165 Postcodes • Very Hard
300 PPM21 °Clark

All Postcode Sectors in DE6

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