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Various options on seawater desalting methods are given in Table 1 and possible alternative <br />locations for the proposed seawater desalting plants and pipelines are shown on Figures 2 and <br />3, respectively. One location is on the southwest side of the Colorado River Estuary and the <br />other one is on the northeast shore. <br />The potential seawater desalting plant sites shown are preliminary only and are presented to <br />illustrate the concept. Detailed studies need to be made to find the optimum site(s) and the <br />best routing of the pipelines. <br />consider would be the desalination of brackish water b means of <br />Another desalting option to co y <br />reverse osmosis. Potential options for brackish water desalting might be (1) Reclamation of <br />irrigation return flows and /or drainage, (2) Reclamation of the New River wastewater flow <br />(which is currently wasted into the Salton Sea) and (3) Development of brackish groundwater in <br />the Mexicali Valley -- if sufficiently large sources exist -- e.g. from the Laguna Salada, etc. <br />Various options for brackish water desalting are given in Table 2, and possible locations for <br />brackish water plants are shown on Figure 4. It should be noted again, that the locations <br />shown are very preliminary and that detailed feasibility studies need to be carried out to move <br />from conceptual to actual locations. <br />In addition to the desalting and delivery facilities in Mexico, other facilities need to be <br />constructed in Southern Nevada to handle the additional raw water to be taken from Lake <br />Mead. Presumably this will involve the modification and expansion of existing pumping, <br />treatment and transmission facilities within Clark County, Nevada. Alternatively, new <br />treatment and pumping facilities might be constructed to facilitate this and other additional <br />water resources for the area. <br />1 5 Carollo Black & Veatch <br />