Water Hardness Breakdown for Sector S18 3
Covering 48 active delivery postcodes in the S18 district, households and businesses in sector S18 3 are supplied with tap water averaging 160 PPM (11.2° Clark). Distributed under the regulatory oversight of Severn Trent Water, local tap water supplies in this catchment are rated as moderately hard.
With a balanced reading of 160 PPM (11.2° Clark), water in S18 3 exhibits a moderate mineral structure. While limescale accumulation is gradual, minor scale rings can form inside kettles and on boiler heat exchangers over 6–12 month periods (estimated thermal efficiency drag of 4% – 7%).
Supplies in this zone are managed through a composite blend of river abstraction points and upland reservoirs operated by Severn Trent Water. The mineral balance fluctuates moderately between seasons, averaging 160 PPM (11.2° Clark) across the 48 postal sectors in this supply matrix.
In everyday household use, calcium and magnesium ions in 160 PPM water bind with soaps, producing chalky bathroom residue and scum on your morning cuppa. In sector S18 3, washing laundry or dishware requires medium detergent volume with routine machine descaling. For personal grooming, individuals with dry skin or eczema sensitivity may experience skin tightness after showers in this moderately hard water environment.
Calibrating appliance water softening systems in S18 3 prevents etched glassware and heating element burnouts. Based on Severn Trent Water's official 160 PPM rating, Bosch dishwashers should be set to H02. Consult the interactive equipment guide below for custom brand settings across all 48 postcodes.