UK Water Quality Report • 2026 Data

Water Hardness in SA19

Water supply analysis across 5 postcode sectors in SA19 (Dŵr Cymru Welsh Water).

Outcode Avg Hardness64 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode SA19

Looking for water hardness metrics in SA19? Water supplied by Dŵr Cymru Welsh Water in this outcode registers a baseline average of 64 PPM across 5 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in SA19. The lowest mineral concentration is recorded in sector SA19 0 at 45 PPM, whereas sector SA19 8 experiences higher mineral levels reaching 140 PPM.

Since SA19 enjoys soft water (64 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 SA19

Lowest mineral concentration

Softest
Sector SA19 05 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in SA19

Highest mineral concentration

Highest Hardness
Sector SA19 8237 Postcodes • Moderately Hard
140 PPM9.8 °Clark

All Postcode Sectors in SA19

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