UK Water Quality Report • 2026 Data

Water Hardness in TD15

Water supply analysis across 3 postcode sectors in TD15 (Northumbrian Water).

Outcode Avg Hardness130 PPMModerately Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode TD15

Looking for water hardness metrics in TD15? Water supplied by Northumbrian Water in this outcode registers a baseline average of 130 PPM across 3 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in TD15. The lowest mineral concentration is recorded in sector TD15 1 at 130 PPM, whereas sector TD15 9 experiences higher mineral levels reaching 130 PPM.

Due to the moderately hard water (130 PPM) in TD15, limescale build-up can occur on heating elements, shower heads, and boilers. Setting your dishwasher water softener to the correct level (e.g. Bosch setting H01) is strongly recommended to prevent cloudy glassware and internal scale accumulation. Review the individual postcode sectors below to get precise dishwasher salt settings and limescale recommendations.

Softest Sector in TD15

Lowest mineral concentration

Softest
Sector TD15 1236 Postcodes • Moderately Soft
130 PPM9.1 °Clark

Hardest Sector in TD15

Highest mineral concentration

Highest Hardness
Sector TD15 92 Postcodes • Moderately Soft
130 PPM9.1 °Clark

All Postcode Sectors in TD15

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