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<br />board of directors for a district, a city council, or an advisory committee which is formed <br />specifically for the study. <br /> <br />The advisory group should be utilized from the outset to establish study objectives and <br />to review the study plan. As the study proceeds, regularly scheduled meetings with the <br />study advisors will provide the feedback needed for their effective participation in the <br />process. The general public should also be invited to comment at appropriate points in <br />the study process. <br /> <br />3.2 Reconnaissance Planning Process <br /> <br />The following paragraphs outline a methodology for reconnaissance-level planning as <br />illustrated in Figure 3.1. The general procedure outlined here is recommended for any planning <br />study which requires the consideration of a number of alternatives prior to a detailed feasibility <br />study. <br /> <br />3.2.1 Study Objective and Study Plan <br /> <br />The process begins with the identification of the study objective(s) and a detailed study <br />plan (see Chapter 2 - General Planning Guidelines). Study objectives should be reviewed <br />with the advisory group prior to completion of the study plan. <br /> <br />3.2.2 Assessment of the Planning Area <br /> <br />One of the first major tasks in a reconnaissance study is a comprehensive assessment or <br />inventory of the study area. The assessment may include surface and groundwater <br />hydrology, a water rights inventory and analysis, existing water supply facilities as well <br />as the physical, socio-economic and in~titutional characteristics of the study area. <br /> <br />3.2.3 Water Demands <br /> <br />Study area water demands are generally estimated for a selected planning horizon or <br />period of time. For municipal water supply studies, the demand estimates are generally <br />based on such parameters as population, land use, income, employment, price of water <br />and climatic data. Demands are estimated for the study planning horizon and compared <br />with the yields of existing supplies. If the comparison indicates a water supply deficit <br />at some point during the planning horizon, alternatives are formulated to meet the deficit <br />by reducing demands or increasing supplies, or both. <br /> <br />Agricultural water demand estimates are generally based on irrigated areas, crop water <br />use, climatic data and distribution sYStem losses. Alternatives are then formulated toisupply irrigation water to the project service area under varying degrees of reliability. <br /> <br />16 <br />