UK Water Quality Report • 2026 Data

Water Hardness in CA13

Water supply analysis across 3 postcode sectors in CA13 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode CA13

For residents and businesses in outcode CA13, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that CA13 averages 45 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in CA13. The lowest mineral concentration is recorded in sector CA13 0 at 45 PPM, whereas sector CA13 9 experiences higher mineral levels reaching 45 PPM.

Since CA13 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 CA13

Lowest mineral concentration

Softest
Sector CA13 0319 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in CA13

Highest mineral concentration

Highest Hardness
Sector CA13 9290 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in CA13

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