Water Hardness Breakdown for Sector SA73 9
Public water quality records published by South West Water indicate that tap water across postcode sector SA73 9 registers an average mineral hardness of 40 PPM (mg/L of calcium carbonate). Serving approximately 1 postal units in the SA73 area, this sector falls within the official soft water classification.
Supplied by South West Water at 40 PPM (2.8° Clark), water in sector SA73 9 does not produce stubborn chalky encrustations. Homeowners enjoy extended appliance lifespans and clean boiler pipework without requiring chemical water softeners.
Water quality in SA73 9 is monitored continuously under the Water Supply (Water Quality) Regulations. Environmental testing ensures that the 40 PPM mineral density supplied by South West Water remains compliant with all Drinking Water Inspectorate (DWI) parameters.
Household water chemistry in SA73 9 (2.8° Clark) dictates everyday cleaning efficiency. Water supplied by South West Water at this level necessitates standard or reduced detergent dosage (saving up to 30% annually), 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 SA73 9 should be calibrated precisely for 40 PPM. For Bosch, Neff, and Siemens appliances, the recommended salt dosing index is H00 (No Salt Required). Explore our interactive configuration tool below to verify exact settings for Beko, Miele, and Whirlpool units.