UK Water Quality Report • 2026 Data

Water Hardness in SA73

Water supply analysis across 4 postcode sectors in SA73 (South West Water).

Outcode Avg Hardness40 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode SA73

Looking for water hardness metrics in SA73? Water supplied by South West Water in this outcode registers a baseline average of 40 PPM across 4 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in SA73. The lowest mineral concentration is recorded in sector SA73 1 at 40 PPM, whereas sector SA73 9 experiences higher mineral levels reaching 40 PPM.

Since SA73 enjoys soft water (40 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 SA73

Lowest mineral concentration

Softest
Sector SA73 1260 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in SA73

Highest mineral concentration

Highest Hardness
Sector SA73 91 Postcodes • Soft
40 PPM2.8 °Clark

All Postcode Sectors in SA73

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