Water Supply Analysis: Outcode KT11
Looking for water hardness metrics in KT11? Water supplied by Affinity Water in this outcode registers a baseline average of 267.5 PPM across 4 distinct postcode sectors.
Water chemistry can fluctuate across supply zones in KT11. The lowest mineral concentration is recorded in sector KT11 2 at 260 PPM, whereas sector KT11 1 experiences higher mineral levels reaching 290 PPM.
Due to the hard water (267.5 PPM) in KT11, 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 H04) 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.