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the fact that, if the industries using the facilities of the Basic Magnesium Plant are to operate efficiently, it is essential that they have a definite and satisfactory arrangement for their -water supply. The 1970 demand for -water other than artesian can he summarized as follows; Metropolitan Las Vegas Present domestic demand deficiencies 5*0 nug. <i* Domestic requirements for population increase 6.0 m. g. d. Additional requirements at A m y Air Field 3*7 m,g.d. Requirements at Basic Magnesium Plant 6,5 m, g, d. Requirements of Whitney and Pittman 1. 0 m, g. d. Total demand in addition to artesian supply - 22.2 m.g.d. It is apparent from the above table that the provision of water from other than artesian sources is absolutely essential to the Las Vegas Valley. WATER AVAILABLE FROM TEE SYSTEM AT THE BASIC MAGNESIUM PLANT The water supply facilities at the Basic Magnesium Plant will produce approximately 35*0 m.g. d. The water treatment facilities have a designed capacity of 20.0 m. g, d. but will operate efficiently to a rate of 2*t-.0 nug.d. These facilities are adequate to supply treated water for the 1970 anticipated domestic, industrial, and commercial demands. As a result of the complete treatment provided the water will be free from hardness and will be of an excellent quality without the - 3-