UK Water Quality Report • 2026 Data

Water Hardness in KW5

Water supply analysis across 1 postcode sectors in KW5 (Scottish Water).

Outcode Avg Hardness25 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode KW5

Looking for water hardness metrics in KW5? Water supplied by Scottish Water in this outcode registers a baseline average of 25 PPM across 1 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in KW5. The lowest mineral concentration is recorded in sector KW5 6 at 25 PPM, whereas sector KW5 6 experiences higher mineral levels reaching 25 PPM.

Since KW5 enjoys soft water (25 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 KW5

Lowest mineral concentration

Softest
Sector KW5 612 Postcodes • Soft
25 PPM1.8 °Clark

Hardest Sector in KW5

Highest mineral concentration

Highest Hardness
Sector KW5 612 Postcodes • Soft
25 PPM1.8 °Clark

All Postcode Sectors in KW5

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