UK Water Quality Report • 2026 Data

Water Hardness in SA71

Water supply analysis across 2 postcode sectors in SA71 (South West Water).

Outcode Avg Hardness40 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode SA71

Analyzing water quality disclosures across all 2 postcode sectors in outcode SA71 reveals an average water hardness of 40 PPM (Soft Water). Public water supply across this area is managed by South West Water, responsible for treating and delivering water to residential households.

Water chemistry can fluctuate across supply zones in SA71. The lowest mineral concentration is recorded in sector SA71 4 at 40 PPM, whereas sector SA71 5 experiences higher mineral levels reaching 40 PPM.

Since SA71 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 SA71

Lowest mineral concentration

Softest
Sector SA71 4197 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in SA71

Highest mineral concentration

Highest Hardness
Sector SA71 5210 Postcodes • Soft
40 PPM2.8 °Clark

All Postcode Sectors in SA71

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