Water Supply Analysis: Outcode SW9
Looking for water hardness metrics in SW9? Water supplied by Thames Water in this outcode registers a baseline average of 275 PPM across 6 distinct postcode sectors.
Water chemistry can fluctuate across supply zones in SW9. The lowest mineral concentration is recorded in sector SW9 0 at 275 PPM, whereas sector SW9 9 experiences higher mineral levels reaching 275 PPM.
Due to the hard water (275 PPM) in SW9, 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.