UK Water Quality Report • 2026 Data

Water Hardness in LL71

Water supply analysis across 2 postcode sectors in LL71 (Dŵr Cymru Welsh Water).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode LL71

For residents and businesses in outcode LL71, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that LL71 averages 45 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in LL71. The lowest mineral concentration is recorded in sector LL71 7 at 45 PPM, whereas sector LL71 8 experiences higher mineral levels reaching 45 PPM.

Since LL71 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 LL71

Lowest mineral concentration

Softest
Sector LL71 733 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in LL71

Highest mineral concentration

Highest Hardness
Sector LL71 853 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in LL71

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