UK Water Quality Report • 2026 Data

Water Hardness in TR13

Water supply analysis across 4 postcode sectors in TR13 (South West Water).

Outcode Avg Hardness40 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode TR13

Looking for water hardness metrics in TR13? Water supplied by South West Water in this outcode registers a baseline average of 40 PPM across 4 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in TR13. The lowest mineral concentration is recorded in sector TR13 0 at 40 PPM, whereas sector TR13 9 experiences higher mineral levels reaching 40 PPM.

Since TR13 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 TR13

Lowest mineral concentration

Softest
Sector TR13 0226 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in TR13

Highest mineral concentration

Highest Hardness
Sector TR13 9253 Postcodes • Soft
40 PPM2.8 °Clark

All Postcode Sectors in TR13

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