Bridport Water Hardness & Quality Report (2026)

South West Water provides the water supply to Bridport, a town in Dorset, South West England. The primary sources for this supply are moorland reservoirs and rivers located within the Exe and Axe catchments. Water treatment occurs at facilities such as the Hunter's Lodge or Chitterne works, serving the West Dorset supply zone. These upland catchments are characterized by peaty soils and granite intrusions from the Devonian period, capturing soft, rain-fed runoff. Unlike groundwater from boreholes found in East Devon's limestone areas, Bridport's supply bypasses deep aquifers, resulting in naturally very soft water.

This water originates from upland catchments on Carboniferous and Permian bedrock, notably within the Exmoor and Dartmoor fringes. These areas feature peat-rich soils that contribute to the water's low mineral content. Runoff from these acidic, organic-rich moorland soils picks up minimal dissolved calcium and magnesium. This geological setting contrasts sharply with areas like Jurassic limestone formations elsewhere in Dorset, which would typically yield harder water. The resulting water is naturally very soft because it doesn't interact significantly with hardness-imparting rocks.

Because the water is very soft, you'll notice an absence of limescale buildup in appliances like kettles, irons, washing machines, and boilers. Soap and detergents lather more efficiently, meaning you can use less. There's typically no need for descaling maintenance on your household appliances. Installing a water softener isn't recommended, as it could excessively remove beneficial minerals. Instead, homeowners should focus on preventing potential corrosion in pipes by conducting regular checks. South West Water consistently meets Drinking Water Inspectorate standards, with typical pH levels for this soft surface water ranging between 7 and 8. Recent monitoring shows no significant lead or copper exceedances in the affected zones, and PFAS levels comply with UK limits.