UK Water Quality Report • 2026 Data

Water Hardness in BH13

Water supply analysis across 2 postcode sectors in BH13 (South West Water).

Outcode Avg Hardness165 PPMModerately Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode BH13

For residents and businesses in outcode BH13, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that BH13 averages 165 PPM in mineral content, falling into the Moderately Hard Water classification.

Water chemistry can fluctuate across supply zones in BH13. The lowest mineral concentration is recorded in sector BH13 6 at 40 PPM, whereas sector BH13 7 experiences higher mineral levels reaching 290 PPM.

Due to the moderately hard water (165 PPM) in BH13, 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 H04) 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 BH13

Lowest mineral concentration

Softest
Sector BH13 6131 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in BH13

Highest mineral concentration

Highest Hardness
Sector BH13 7166 Postcodes • Hard
290 PPM20.3 °Clark

All Postcode Sectors in BH13

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