UK Water Quality Report • 2026 Data

Water Hardness in WN3

Water supply analysis across 3 postcode sectors in WN3 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode WN3

Analyzing water quality disclosures across all 3 postcode sectors in outcode WN3 reveals an average water hardness of 45 PPM (Soft Water). Public water supply across this area is managed by United Utilities, responsible for treating and delivering water to residential households.

Water chemistry can fluctuate across supply zones in WN3. The lowest mineral concentration is recorded in sector WN3 4 at 45 PPM, whereas sector WN3 6 experiences higher mineral levels reaching 45 PPM.

Since WN3 enjoys soft water (45 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 WN3

Lowest mineral concentration

Softest
Sector WN3 4206 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in WN3

Highest mineral concentration

Highest Hardness
Sector WN3 6273 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in WN3

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