UK Water Quality Report • 2026 Data

Water Hardness in CF23

Water supply analysis across 6 postcode sectors in CF23 (Dŵr Cymru Welsh Water).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode CF23

For residents and businesses in outcode CF23, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that CF23 averages 45 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in CF23. The lowest mineral concentration is recorded in sector CF23 0 at 45 PPM, whereas sector CF23 9 experiences higher mineral levels reaching 45 PPM.

Since CF23 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 CF23

Lowest mineral concentration

Softest
Sector CF23 026 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in CF23

Highest mineral concentration

Highest Hardness
Sector CF23 9197 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in CF23

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