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\ . . The Pacific Southwest is one of the most rapidly developing areas in the Nation, both industrially and populationwise. Colorado River water for municipal and industrial purposes is supplied to approximately 130 incorporated towns and other communities in this area with a population of about 10 million people. This water supply, which totalled about 1,200,000 acre-feet in 1968, ranges from a minor 'supplemental supply-for some entities to a complete supply for others. 8. Environmental Impacts of the Proposed Action: 1. Impacts on the social and economic environment: As stated previously, under DOE procedures the need for an environmental statement to support a PMA rate adjustment will depend on five factors that' will be discussed below. A cursory analysis of the rate adjustment and its alternatives indicates that it will have no effect on the cultural and/or recreational resources of the Colorado River Basin. a. Size of increase From the review of the data developed from the public forums and comments, a revised rate adjustment was proposed. The proposed rate is a 25.8'percent increase or 1.69 mills/kWh at a 58.2 percent load factor.. . Throughout the public involvement program described in Section VI of this EA the issue of apportionment of funds to the states in accordance with Section 5(e) of P.L. 84-485 was raised. This apportionment is embodied in the alternatives discussed in this EA. Studies indicate that the proposed rate increase could be reduced to about 15.1 percent (instead of 25.8 percent) under the different apportionment scheme. This is because the present apportionment scheme, as mentioned in Section IV, results in a credit to some states in excess of amounts required for currently authorized participating projects; this excess which is referred to as surplus-surplus will accrue to the Basin Fund. Western will follow the historic interpretation of the law (P.L. 84-485 5(e)) regarding the handling of revenues. b. The percentage total requirements supplied by CRSP The total electric energy consumed in the CRSP marketing area for Fiscal Year 1977 is compared with the amount supplied by the CRSP in the following tabulation: Tota 1 Energy CRSP Energy CRSP % of Consumed Supplied Total Arizona 26,734,766 903,630 3.4 Colorado 20,700,423 1,537,356 7.4 New Mexico 8,770,072 856,642 9.8 Nevada 5,379,273 200,661 3.7 Utah 12,726,480 1,550,451 12.2 " Wyomi ng 6,564,699 525,096 8.0 Total 80,875,713 5,573,836 6.9 8