Abstract
In the previous chapter, there were methodologies and related software about the quantity of groundwater resources. In practical applications, water quality is another very significant dimension for the planning and joint water resources management. For this purpose, major anionAnions and cationCations analyses provide basic quality classification information in addition to few composite variable measurements such as the electric conductivityElectric conductivity (EC), total dissolved solidsTotaldissolved solids (TDS), and sodium adsorption ratioSodium adsorption ratio (SAR). Any chemical analysis and related data processing affairs fall within the water quality domain, which is also referred to generally as hydrochemistryHydrochemistry.