UK Water Quality Report • 2026 Data

Water Hardness in TS13

Water supply analysis across 2 postcode sectors in TS13 (Northumbrian Water).

Outcode Avg Hardness120 PPMModerately Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode TS13

Analyzing water quality disclosures across all 2 postcode sectors in outcode TS13 reveals an average water hardness of 120 PPM (Moderately Hard Water). Public water supply across this area is managed by Northumbrian Water, responsible for treating and delivering water to residential households.

Water chemistry can fluctuate across supply zones in TS13. The lowest mineral concentration is recorded in sector TS13 5 at 110 PPM, whereas sector TS13 4 experiences higher mineral levels reaching 130 PPM.

Due to the moderately hard water (120 PPM) in TS13, 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 TS13

Lowest mineral concentration

Softest
Sector TS13 5123 Postcodes • Moderately Soft
110 PPM7.7 °Clark

Hardest Sector in TS13

Highest mineral concentration

Highest Hardness
Sector TS13 4273 Postcodes • Moderately Soft
130 PPM9.1 °Clark

All Postcode Sectors in TS13

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