Water Supply Analysis: Outcode SP11
Analyzing water quality disclosures across all 5 postcode sectors in outcode SP11 reveals an average water hardness of 282 PPM (Hard Water). Public water supply across this area is managed by Southern Water, responsible for treating and delivering water to residential households.
Water chemistry can fluctuate across supply zones in SP11. The lowest mineral concentration is recorded in sector SP11 0 at 280 PPM, whereas sector SP11 9 experiences higher mineral levels reaching 290 PPM.
Due to the hard water (282 PPM) in SP11, 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.