UK Water Quality Report • 2026 Data

Water Hardness in TS18

Water supply analysis across 5 postcode sectors in TS18 (Northumbrian Water).

Outcode Avg Hardness130 PPMModerately Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode TS18

Looking for water hardness metrics in TS18? Water supplied by Northumbrian Water in this outcode registers a baseline average of 130 PPM across 5 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in TS18. The lowest mineral concentration is recorded in sector TS18 1 at 130 PPM, whereas sector TS18 5 experiences higher mineral levels reaching 130 PPM.

Due to the moderately hard water (130 PPM) in TS18, 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 TS18

Lowest mineral concentration

Softest
Sector TS18 1152 Postcodes • Moderately Soft
130 PPM9.1 °Clark

Hardest Sector in TS18

Highest mineral concentration

Highest Hardness
Sector TS18 5177 Postcodes • Moderately Soft
130 PPM9.1 °Clark

All Postcode Sectors in TS18

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