UK Water Quality Report • 2026 Data

Water Hardness in PL33

Water supply analysis across 1 postcode sectors in PL33 (South West Water).

Outcode Avg Hardness40 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode PL33

Analyzing water quality disclosures across all 1 postcode sectors in outcode PL33 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 PL33. The lowest mineral concentration is recorded in sector PL33 9 at 40 PPM, whereas sector PL33 9 experiences higher mineral levels reaching 40 PPM.

Since PL33 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 PL33

Lowest mineral concentration

Softest
Sector PL33 978 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in PL33

Highest mineral concentration

Highest Hardness
Sector PL33 978 Postcodes • Soft
40 PPM2.8 °Clark

All Postcode Sectors in PL33

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