Surface waters legal requirements

Other factors than the volume and composition that have to be taken into account for selecting a proper treatment process are similar to reverse osmosis (Squire et al., 2000 Ahmed et al., 2001) legal requirements such as permits and conditions cost of further treatment local factors such as the proximity and size of a wastewater treatment plant, the presence of surface water or open land, soil characteristics, and geological structure flexibility of the disposal method in case of an expansion of the existing plant and public acceptance. 

---