UK Water Quality Report • 2026 Data

Water Hardness in PL1

Water supply analysis across 6 postcode sectors in PL1 (South West Water).

Outcode Avg Hardness40 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode PL1

For residents and businesses in outcode PL1, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that PL1 averages 40 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in PL1. The lowest mineral concentration is recorded in sector PL1 1 at 40 PPM, whereas sector PL1 9 experiences higher mineral levels reaching 40 PPM.

Since PL1 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 PL1

Lowest mineral concentration

Softest
Sector PL1 192 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in PL1

Highest mineral concentration

Highest Hardness
Sector PL1 945 Postcodes • Soft
40 PPM2.8 °Clark

All Postcode Sectors in PL1

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