UK Water Quality Report • 2026 Data

Water Hardness in EX12

Water supply analysis across 4 postcode sectors in EX12 (South West Water).

Outcode Avg Hardness40 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode EX12

For residents and businesses in outcode EX12, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that EX12 averages 40 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in EX12. The lowest mineral concentration is recorded in sector EX12 2 at 40 PPM, whereas sector EX12 9 experiences higher mineral levels reaching 40 PPM.

Since EX12 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 EX12

Lowest mineral concentration

Softest
Sector EX12 2308 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in EX12

Highest mineral concentration

Highest Hardness
Sector EX12 93 Postcodes • Soft
40 PPM2.8 °Clark

All Postcode Sectors in EX12

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