UK Water Quality Report • 2026 Data

Water Hardness in BT74

Water supply analysis across 7 postcode sectors in BT74 (Northern Ireland Water).

Outcode Avg Hardness35 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode BT74

Looking for water hardness metrics in BT74? Water supplied by Northern Ireland Water in this outcode registers a baseline average of 35 PPM across 7 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in BT74. The lowest mineral concentration is recorded in sector BT74 0 at 35 PPM, whereas sector BT74 9 experiences higher mineral levels reaching 35 PPM.

Since BT74 enjoys soft water (35 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 BT74

Lowest mineral concentration

Softest
Sector BT74 029 Postcodes • Soft
35 PPM2.4 °Clark

Hardest Sector in BT74

Highest mineral concentration

Highest Hardness
Sector BT74 978 Postcodes • Soft
35 PPM2.4 °Clark

All Postcode Sectors in BT74

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