Water desalination, wastewater, and water treatment services; brine treatment services; effluent treatment services; extraction of dissolved chemical compounds from water for use in industrial processes, namely, chemical, metal and salt recovery services; filtration, purification and softening of water and wastewater; water treatment and purification services provided to others in the nature of services to separate and remove contaminants from water and wastewater; wastewater and brine treatm...