UK Water Quality Report • 2026 Data

Water Hardness in SA66

Water supply analysis across 1 postcode sectors in SA66 (South West Water).

Outcode Avg Hardness40 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode SA66

For residents and businesses in outcode SA66, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that SA66 averages 40 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in SA66. The lowest mineral concentration is recorded in sector SA66 7 at 40 PPM, whereas sector SA66 7 experiences higher mineral levels reaching 40 PPM.

Since SA66 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 SA66

Lowest mineral concentration

Softest
Sector SA66 7164 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in SA66

Highest mineral concentration

Highest Hardness
Sector SA66 7164 Postcodes • Soft
40 PPM2.8 °Clark

All Postcode Sectors in SA66

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