UK Water Quality Report • 2026 Data

Water Hardness in CF11

Water supply analysis across 6 postcode sectors in CF11 (Dŵr Cymru Welsh Water).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode CF11

For residents and businesses in outcode CF11, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that CF11 averages 45 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in CF11. The lowest mineral concentration is recorded in sector CF11 0 at 45 PPM, whereas sector CF11 9 experiences higher mineral levels reaching 45 PPM.

Since CF11 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 CF11

Lowest mineral concentration

Softest
Sector CF11 065 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in CF11

Highest mineral concentration

Highest Hardness
Sector CF11 9205 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in CF11

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