UK Water Quality Report • 2026 Data

Water Hardness in TR27

Water supply analysis across 4 postcode sectors in TR27 (South West Water).

Outcode Avg Hardness40 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode TR27

For residents and businesses in outcode TR27, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that TR27 averages 40 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in TR27. The lowest mineral concentration is recorded in sector TR27 4 at 40 PPM, whereas sector TR27 9 experiences higher mineral levels reaching 40 PPM.

Since TR27 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 TR27

Lowest mineral concentration

Softest
Sector TR27 4217 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in TR27

Highest mineral concentration

Highest Hardness
Sector TR27 92 Postcodes • Soft
40 PPM2.8 °Clark

All Postcode Sectors in TR27

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