UK Water Quality Report • 2026 Data

Water Hardness in EX8

Water supply analysis across 6 postcode sectors in EX8 (South West Water).

Outcode Avg Hardness40 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode EX8

Analyzing water quality disclosures across all 6 postcode sectors in outcode EX8 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 EX8. The lowest mineral concentration is recorded in sector EX8 1 at 40 PPM, whereas sector EX8 9 experiences higher mineral levels reaching 40 PPM.

Since EX8 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 EX8

Lowest mineral concentration

Softest
Sector EX8 1222 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in EX8

Highest mineral concentration

Highest Hardness
Sector EX8 910 Postcodes • Soft
40 PPM2.8 °Clark

All Postcode Sectors in EX8

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