UK Water Quality Report • 2026 Data

Water Hardness in TR9

Water supply analysis across 1 postcode sectors in TR9 (South West Water).

Outcode Avg Hardness40 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode TR9

For residents and businesses in outcode TR9, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that TR9 averages 40 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in TR9. The lowest mineral concentration is recorded in sector TR9 6 at 40 PPM, whereas sector TR9 6 experiences higher mineral levels reaching 40 PPM.

Since TR9 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 TR9

Lowest mineral concentration

Softest
Sector TR9 6285 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in TR9

Highest mineral concentration

Highest Hardness
Sector TR9 6285 Postcodes • Soft
40 PPM2.8 °Clark

All Postcode Sectors in TR9

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