UK Water Quality Report • 2026 Data

Water Hardness in CA8

Water supply analysis across 5 postcode sectors in CA8 (United Utilities).

Outcode Avg Hardness62 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode CA8

Looking for water hardness metrics in CA8? Water supplied by United Utilities in this outcode registers a baseline average of 62 PPM across 5 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in CA8. The lowest mineral concentration is recorded in sector CA8 0 at 45 PPM, whereas sector CA8 7 experiences higher mineral levels reaching 130 PPM.

Since CA8 enjoys soft water (62 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 CA8

Lowest mineral concentration

Softest
Sector CA8 02 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in CA8

Highest mineral concentration

Highest Hardness
Sector CA8 7121 Postcodes • Moderately Soft
130 PPM9.1 °Clark

All Postcode Sectors in CA8

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