Water Hardness Breakdown for Sector BS13 7
Public water quality records published by Bristol Water indicate that tap water across postcode sector BS13 7 registers an average mineral hardness of 265 PPM (mg/L of calcium carbonate). Serving approximately 203 postal units in the BS13 area, this sector falls within the official hard water classification.
Because water supplied by Bristol Water in BS13 7 contains 265 PPM of dissolved minerals, limescale accumulation is an active maintenance factor. Taps, thermostatic shower cartridges, and boiler coils require periodic descaling to prevent flow constriction.
Water quality in BS13 7 is monitored continuously under the Water Supply (Water Quality) Regulations. Environmental testing ensures that the 265 PPM mineral density supplied by Bristol Water remains compliant with all Drinking Water Inspectorate (DWI) parameters.
Household water chemistry in BS13 7 (18.6° Clark) dictates everyday cleaning efficiency. Water supplied by Bristol Water at this level necessitates +35% extra laundry detergent to overcome calcium neutralization, while inline shower head filters can help sensitive skin by mitigating mineral residue during washing.
To preserve internal ion-exchange resin chambers, domestic dishwashers operating in sector BS13 7 should be calibrated precisely for 265 PPM. For Bosch, Neff, and Siemens appliances, the recommended salt dosing index is H04. Explore our interactive configuration tool below to verify exact settings for Beko, Miele, and Whirlpool units.