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<br />~ <br />I <br />, <br /> <br />I <br />1 <br />I <br /> <br />Water and Storage Needs Assessment <br />SECWCD/Assessment Enterprise <br />December 10,1998 <br /> <br />TABLE OF CONTENTS (continued) <br /> <br />Page <br /> <br />2.3.3.2 Colorado Water Protection and Development <br />Association (CWPDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30 <br />2.3.3.3 Lower Arkansas Water Management Association (LA WMA) 2-30 <br />2.3.3.4 Fort Lyon Well Users Group (FL WUG) ................. 2-31 <br /> <br />3. POPULATION PROJECTIONS FOR THE DISTRICT. . . . . . . . . . . . . . . . . . . . . . . 3-1 <br />3.1 Basis of Population Projections ......................................3-1 <br />3.1.1 State Demographer Projections ................................3-1 <br />3.1.2 Local Projections ........................................... 3-2 <br />3.1.3 Reconciliation of Population Projections. . . . . . . . . . . . . . . . . . . . . . . . . 3-4 <br />3.2 Population Growth by Region in the District ........................... 3-4 <br /> <br />4. AGRICULTURAL WATER USE IN THE DISTRICT ........................4-1 <br />4. I Historical Diversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .'. . . . . . . . . . . . . . . . 4-1 <br />4.2 Ground Water Pumping for Irrigation. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . 4-1 <br />4.3 Irrigated Acreages ................................................ 4-4 <br />4.4 Historical Water Transfers from Irrigated Agriculture to Other Uses. . . . . . . . . 4-6 <br />4.5 Use of Project Water ..................:........................... 4-8 <br />4.6 The Winter Water Storage Program (WWSP) . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8 <br /> <br />5. WATERDEMANDFORECASTS .......................................5-1 <br />5.1 Municipal Water Use Patterns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 <br />5,2 Potential Impacts of Water Conservation .............................. 5-1 <br /> <br />-52;.l~-Back~Qn.... '-'~~~..~.~..~.-..-~-.-.-.-. .-.--5-1 <br />5.2.2 SECWCD (District) Water Conservation Plan .................... 5-2 <br />5.2.3 Current and Planned Municipal Water Conservation Measures ....... 5-2 <br />5.2,4 Potential Effects of Conservation ...................,..........5-11 <br />5.3 Future Per Capita Water Use .......................................5-12 <br />5.4 Range ofMunicipaI/Industrial Water Demands to the Year 2040 .......... 5-13 <br />5.5 Agricultural Water Use ........................................... 5-13 <br />5.6 Total Water Demands in the District. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14 <br />5.7 Monthly Variation in Municipal Water Demand. . . . . . . . . . . . . . . . . . . . . . . . 5-20 <br />5.8 Monthly Variation in Agricultural Water Use. . . . . . . . . . . . . . . . . . . . . . . . .. 5-21 <br />5.9 Monthly Variation in Total Water Demand ............................5-21 <br /> <br />6. ASSESSMENT OF WATER SUPPLY AND STORAGE NEEDS .............. 6-1 <br />6.1 Potential Water Supply Deficits ..................................... 6-1 <br />6.1.1 Deficits in the M&I Sector - High Demand Forecast. . . . . . . . . . . . . . . . 6-3 <br /> <br />97411\FinaU\TEXT_A.WPD <br /> <br />III GEl Consultants, Inc. <br /> <br />-Xl- <br />