UK Water Quality Report • 2026 Data

Water Hardness in BS7

Water supply analysis across 3 postcode sectors in BS7 (Bristol Water).

Outcode Avg Hardness265 PPMHard Water
Regional Quality Overview

Water Supply Analysis: Outcode BS7

Analyzing water quality disclosures across all 3 postcode sectors in outcode BS7 reveals an average water hardness of 265 PPM (Hard Water). Public water supply across this area is managed by Bristol Water, responsible for treating and delivering water to residential households.

Water chemistry can fluctuate across supply zones in BS7. The lowest mineral concentration is recorded in sector BS7 0 at 265 PPM, whereas sector BS7 9 experiences higher mineral levels reaching 265 PPM.

Due to the hard water (265 PPM) in BS7, 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 BS7

Lowest mineral concentration

Softest
Sector BS7 0281 Postcodes • Hard
265 PPM18.6 °Clark

Hardest Sector in BS7

Highest mineral concentration

Highest Hardness
Sector BS7 9300 Postcodes • Hard
265 PPM18.6 °Clark

All Postcode Sectors in BS7

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