UK Water Quality Report • 2026 Data

Water Hardness in PL29

Water supply analysis across 1 postcode sectors in PL29 (South West Water).

Outcode Avg Hardness40 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode PL29

Looking for water hardness metrics in PL29? Water supplied by South West Water in this outcode registers a baseline average of 40 PPM across 1 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in PL29. The lowest mineral concentration is recorded in sector PL29 3 at 40 PPM, whereas sector PL29 3 experiences higher mineral levels reaching 40 PPM.

Since PL29 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 PL29

Lowest mineral concentration

Softest
Sector PL29 359 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in PL29

Highest mineral concentration

Highest Hardness
Sector PL29 359 Postcodes • Soft
40 PPM2.8 °Clark

All Postcode Sectors in PL29

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