UK Water Quality Report • 2026 Data

Water Hardness in L33

Water supply analysis across 10 postcode sectors in L33 (United Utilities).

Outcode Avg Hardness45 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode L33

For residents and businesses in outcode L33, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that L33 averages 45 PPM in mineral content, falling into the Soft Water classification.

Water chemistry can fluctuate across supply zones in L33. The lowest mineral concentration is recorded in sector L33 0 at 45 PPM, whereas sector L33 9 experiences higher mineral levels reaching 45 PPM.

Since L33 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 L33

Lowest mineral concentration

Softest
Sector L33 030 Postcodes • Soft
45 PPM3.2 °Clark

Hardest Sector in L33

Highest mineral concentration

Highest Hardness
Sector L33 947 Postcodes • Soft
45 PPM3.2 °Clark

All Postcode Sectors in L33

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