UK Water Quality Report • 2026 Data

Water Hardness in TS12

Water supply analysis across 4 postcode sectors in TS12 (Northumbrian Water).

Outcode Avg Hardness130 PPMModerately Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode TS12

Looking for water hardness metrics in TS12? Water supplied by Northumbrian Water in this outcode registers a baseline average of 130 PPM across 4 distinct postcode sectors.

Water chemistry can fluctuate across supply zones in TS12. The lowest mineral concentration is recorded in sector TS12 1 at 130 PPM, whereas sector TS12 9 experiences higher mineral levels reaching 130 PPM.

Due to the moderately hard water (130 PPM) in TS12, 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 TS12

Lowest mineral concentration

Softest
Sector TS12 1186 Postcodes • Moderately Soft
130 PPM9.1 °Clark

Hardest Sector in TS12

Highest mineral concentration

Highest Hardness
Sector TS12 96 Postcodes • Moderately Soft
130 PPM9.1 °Clark

All Postcode Sectors in TS12

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