Industry can de-ionize water to meet total dissolved solids (salinity) requirements. The cost of treatment is often the limiting factor.
Examples of Restrictions for Selected Designated Uses:
Industry TDS Limit(mg/l)
Brewing - light beer 500
Brewing - dark beer 1,000
Canning/Freezing 850
Boiler Feed Water 50 to 3,000 depending on pressure
?Information on Salinity