UK Water Quality Report • 2026 Data

Water Hardness in LD4

Water supply analysis across 1 postcode sectors in LD4 (Dŵr Cymru Welsh Water).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode LD4

For residents and businesses in outcode LD4, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that LD4 averages 45 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in LD4. The lowest mineral concentration is recorded in sector LD4 4 at 45 PPM, whereas sector LD4 4 experiences higher mineral levels reaching 45 PPM.

Since LD4 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 LD4

Lowest mineral concentration

Softest
Sector LD4 458 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in LD4

Highest mineral concentration

Highest Hardness
Sector LD4 458 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in LD4

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