UK Water Quality Report • 2026 Data

Water Hardness in LL41

Water supply analysis across 3 postcode sectors in LL41 (Dŵr Cymru Welsh Water).

Outcode Avg Hardness76.7 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode LL41

For residents and businesses in outcode LL41, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that LL41 averages 76.7 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in LL41. The lowest mineral concentration is recorded in sector LL41 3 at 45 PPM, whereas sector LL41 4 experiences higher mineral levels reaching 140 PPM.

Since LL41 enjoys soft water (76.7 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 LL41

Lowest mineral concentration

Softest
Sector LL41 3204 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in LL41

Highest mineral concentration

Highest Hardness
Sector LL41 4171 Postcodes • Moderately Hard
140 PPM9.8 °Clark

All Postcode Sectors in LL41

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