Pure Aqua, Inc. designs and manufactures water treatment systems in addition to industrial seawater reverse osmosis plants. In October 2012, Pure Aqua successfully manufactured and supplied an industrial seawater reverse osmosis plant to a resort in Maldives. The equipment came complete with pretreatment consisting of multimedia filters and chemical dosing systems. The SW-136K-5680 system was designed to produce 136,000 GPD at a maximum 42,000 PPM feed water TDS and is controlled by a floor mount PLC. For more information click here: http://www.pureaqua.com/industrial-desalination-swi-series.html