UK Water Quality Report • 2026 Data

Water Hardness in CA16

Water supply analysis across 1 postcode sectors in CA16 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode CA16

For residents and businesses in outcode CA16, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that CA16 averages 45 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in CA16. The lowest mineral concentration is recorded in sector CA16 6 at 45 PPM, whereas sector CA16 6 experiences higher mineral levels reaching 45 PPM.

Since CA16 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 CA16

Lowest mineral concentration

Softest
Sector CA16 6267 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in CA16

Highest mineral concentration

Highest Hardness
Sector CA16 6267 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in CA16

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