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<br />'" <br />w::.. <br />-...! <br />..... <br /> <br />But because there is no reservoir storage in t~is area, surface water <br /> <br />supplies are subject to seasonal low flows and periodic droughts. In <br /> <br />order to provide dependable water supplies, the development of major <br /> <br />reservoirs and other water supply facilities will be required. <br /> <br />Water uses by synfuels development in Colorado and New Mexico, in <br /> <br />combination with probable future conventional uses, may raise the annual <br /> <br />depletions.in these States to amounts close to their compact entitlements. <br /> <br />Because each State is well aware of this situation, the States can be <br /> <br />expected to manage water use as needed and in cooperation with the <br /> <br />Upper Basin Compact Commission. <br /> <br />Conflict with other water uses is possible. Instream uses, including <br /> <br />water quality management, recreational boating, and fishery habitats, <br /> <br />could be adversely affected by surface water depletions for synfuels <br /> <br />development. Conflict over water rights and the respective priorities <br /> <br />for use during dry periods is also possible. However, through continu- <br /> <br />ing planning for water management and the timely implementation of plan- <br /> <br />ning recommendations, many of these conflicts can be avoided. <br /> <br />Since the analysis of impacts included the assumption that water <br /> <br />supplies would be taken for synfuels production after probable future con- <br /> <br />ventional offstream uses in the Upper Basin were accommodated, no signifi- <br /> <br />cant adverse impacts on these uses were found. However, depletions by <br /> <br />synfuels would (1) reduce hydroelectric power production, (2) reduce <br /> <br />deliveries to the Central Arizona Project, and (3) increase salinity in <br /> <br />the main stem of the Colorado River in the Lower Basin. <br /> <br />1-2 <br />