UK Water Quality Report • 2026 Data

Water Hardness in CF10

Water supply analysis across 5 postcode sectors in CF10 (Dŵr Cymru Welsh Water).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode CF10

Analyzing water quality disclosures across all 5 postcode sectors in outcode CF10 reveals an average water hardness of 45 PPM (Soft Water). Public water supply across this area is managed by Dŵr Cymru Welsh Water, responsible for treating and delivering water to residential households.

Water chemistry can fluctuate across supply zones in CF10. The lowest mineral concentration is recorded in sector CF10 1 at 45 PPM, whereas sector CF10 5 experiences higher mineral levels reaching 45 PPM.

Since CF10 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 CF10

Lowest mineral concentration

Softest
Sector CF10 1113 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in CF10

Highest mineral concentration

Highest Hardness
Sector CF10 5179 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in CF10

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