UK Water Quality Report • 2026 Data

Water Hardness in DD1

Water supply analysis across 6 postcode sectors in DD1 (Scottish Water).

Outcode Avg Hardness25 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode DD1

Looking for water hardness metrics in DD1? Water supplied by Scottish Water in this outcode registers a baseline average of 25 PPM across 6 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in DD1. The lowest mineral concentration is recorded in sector DD1 1 at 25 PPM, whereas sector DD1 9 experiences higher mineral levels reaching 25 PPM.

Since DD1 enjoys soft water (25 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 DD1

Lowest mineral concentration

Softest
Sector DD1 1114 Postcodes • Soft
25 PPM1.8 °Clark

Hardest Sector in DD1

Highest mineral concentration

Highest Hardness
Sector DD1 972 Postcodes • Soft
25 PPM1.8 °Clark

All Postcode Sectors in DD1

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