plenty of industrial pollutants are put into dumps/buried? what do you think we do with them? From wikipedia > Other methods [of disposing of brine] include

plenty of industrial pollutants are put into dumps/buried? what do you think we do with them? From wikipedia > Other methods [of disposing of brine] include drying in evaporation ponds, injecting to deep wells, and storing and reusing the brine for irrigation, de-icing or dust control purposes.