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SUMMARY (Continued) . and injection plants, an operation and maintenance headquarters, 25.6 miles of transmission lines, 14 miles of access roads, 10 ground water monitoring wells, wildlife measures, general investigations, advance planning studies, engineering, and overhead. Operation, maintenance, and replacement costs for the unit are estimated at $851,000 annually. This includes $577,000 for Hanksville Salt Wash and $274,000 at Emery South Salt Wash. Unit facilities would operate continuously using electronic controls and monitors. Four per- manent employees would be needed to monitor, operate, and maintain the facilities, including the wildlife facilities. The cost allocation and repayment plan was based on the minimum guidelines established by Public Law 93-320 and its amendment, Public Law 98-569, as shown in Summary Table 3 on the following page. The actual repayment of reimbursable costs between basin funds would be determined by the legislation author- izing construction of the unit. No-action alternative . The no-action alternative serves as a basis for comparing effects of the recommended plan with those that would occur in the future with- out unit development. The no-action alternative is a projection of exist- ing conditions to the year 2010 based on current economic and water devel- opment trends, excluding development of the recommended plan. In general, there has been little change in the hydrologic makeup of the Dirty Devil River basin over the last 15 to 20 years, and no measurable changes to Federal land use are anticipated, except for the speculative mining of coal and wildcat drilling. These activities are not expected to have a significant effect on future salinity conditions. The major effect on future salinity is expected to be in connection with irrigation systems improvement described below. Although water development within the basin on both the Fremont River and Muddy Creek has been considered for the past 20 years, addi- tional agricultural water development is unlikely to occur unless there is joint development with municipal and industrial use. Land use in the Fremont River drainage will probably change little in the future, but agriculture near Emery will probably continue to decline because of eco- nomic conditions, poor soils, and a change in land use to coal mining. . Mountain Fuel Resources plans to develop water (currently controlled by the Muddy Creek Irrigation Company and on which Mountain Fuel Resources pays annually for a lease option) for a coal gasification plant or other facilities in the Emery area. Mountain Fuel Resources plans to construct a regulating reservoir on Muddy Creek upstream of Emery, and the irriga- tion company would lease a portion of its water rights to the project in return for a cash payment and a firm water supply from the reservoir for agricultural and municipal needs. Muddy Creek Irrigation Company plans to invest the cash payment from this private project into improvement of the irrigation system. A pressure pipeline system would allow for sprinkler irrigation of existing land. This would replace the company's S-13 002321