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Conductivity is a measure of water’s capability to pass electrical flow. Salinity and total dissolved solids calculations are derived from conductivity.
The treatment options for an elevated total dissolved solids really depends on the nature of the cations and anions. If the elevated total dissolved solids are due to actions like calcium, magnesium, and iron, it may be possible to remove these ions using a water softener. This process may not reduce the total dissolved solids concentration, but reduce the aesthetic problems with the water. If the problem is associated with an elevated concentration of sodium, chloride, or potassium, the primary recommendations would include a reverse osmosis system or distillation unit.