UK Water Quality Report • 2026 Data

Water Hardness in CW6

Water supply analysis across 3 postcode sectors in CW6 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode CW6

For residents and businesses in outcode CW6, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that CW6 averages 45 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in CW6. The lowest mineral concentration is recorded in sector CW6 0 at 45 PPM, whereas sector CW6 9 experiences higher mineral levels reaching 45 PPM.

Since CW6 enjoys soft water (45 PPM), residents generally do not need dishwasher salt or heavy-duty limescale descalers. Standard detergent dosages are sufficient for laundry and dishwashing. Review the individual postcode sectors below to get precise dishwasher salt settings and limescale recommendations.

Softest Sector in CW6

Lowest mineral concentration

Softest
Sector CW6 0264 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in CW6

Highest mineral concentration

Highest Hardness
Sector CW6 9288 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in CW6

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