UK Water Quality Report • 2026 Data

Water Hardness in NP22

Water supply analysis across 4 postcode sectors in NP22 (Dŵr Cymru Welsh Water).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode NP22

Analyzing water quality disclosures across all 4 postcode sectors in outcode NP22 reveals an average water hardness of 45 PPM (Soft Water). Public water supply across this area is managed by Dŵr Cymru Welsh Water, responsible for treating and delivering water to residential households.

Water chemistry can fluctuate across supply zones in NP22. The lowest mineral concentration is recorded in sector NP22 3 at 45 PPM, whereas sector NP22 9 experiences higher mineral levels reaching 45 PPM.

Since NP22 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 NP22

Lowest mineral concentration

Softest
Sector NP22 3208 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in NP22

Highest mineral concentration

Highest Hardness
Sector NP22 91 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in NP22

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