UK Water Quality Report • 2026 Data

Water Hardness in EX39

Water supply analysis across 7 postcode sectors in EX39 (South West Water).

Outcode Avg Hardness40 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode EX39

For residents and businesses in outcode EX39, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that EX39 averages 40 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in EX39. The lowest mineral concentration is recorded in sector EX39 1 at 40 PPM, whereas sector EX39 9 experiences higher mineral levels reaching 40 PPM.

Since EX39 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 EX39

Lowest mineral concentration

Softest
Sector EX39 1332 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in EX39

Highest mineral concentration

Highest Hardness
Sector EX39 929 Postcodes • Soft
40 PPM2.8 °Clark

All Postcode Sectors in EX39

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