UK Water Quality Report • 2026 Data

Water Hardness in LL33

Water supply analysis across 1 postcode sectors in LL33 (Dŵr Cymru Welsh Water).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode LL33

Looking for water hardness metrics in LL33? Water supplied by Dŵr Cymru Welsh Water in this outcode registers a baseline average of 45 PPM across 1 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in LL33. The lowest mineral concentration is recorded in sector LL33 0 at 45 PPM, whereas sector LL33 0 experiences higher mineral levels reaching 45 PPM.

Since LL33 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 LL33

Lowest mineral concentration

Softest
Sector LL33 0167 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in LL33

Highest mineral concentration

Highest Hardness
Sector LL33 0167 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in LL33

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