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<br />will use the power consumption data, along with the power conversion coefficient for each <br />well, to compute monthly diversions of ground water. Once the monthly diversions are <br />computed, the presumptive stream depletion factors will be used to determine the amount of <br />stream depletion resulting from the diversion of ground water for irrigation use. The State <br />Engineer will develop unit response functions which can be used in the accounting model to <br />determine the time and location of depletions caused by diversions of ground water. The <br />State Engineer will also use the Kansas Hydrologic - Institutional Model, using the Durbin <br />usable flow method with the Larson coefficients, or other method approved by the Special <br />Master, the Supreme Court, or the Arkansas River Compact Administration, to determine <br />depletions to usable stateline flow. <br /> <br />The accounting model will provide the augmenlation entity with the amount and <br />location of stream depletions on a monthly basis. It will. also provide the Division Engineer <br />with information necessary to determine if adequate replacement water has been provided. <br /> <br />Rule 3.3 of the 1996 Use Rules sets forth the procedure that will be used to determine <br />depletions to usable stateline flow and the process for allocating unreplaced depletions of <br />usable stateline flow to individual wells. An important factor in the prevention of depletions <br />to usable state line flow is the replacement of depletions to senior surface water rights in <br />Colorado. If senior water rights are protected, the majority of depletions to usable stateline <br />flow will be prevented. <br /> <br />Beginning April I, 1996, all wells subject to the 1996 Use Rules must operate <br />pursuant to an annual plan approved by the State and Division Engineers or a plan approved <br />by the District Water Court. Failure to operate pursuant to an approved plan or failure to <br />be a member of an approved plan will result in curtailment of ground water diversions as set <br />forth in Rule 9. <br /> <br />Considerable information must be provided by the well user, or the entity acting on <br />the behalf of the well user, as set forth in Rule 13 of the 1996 Use Rules. This information <br />is necessary to accurately identify the well, its location, and use of the well to properly <br />account for ground water diversions and stream depletions. Rule 14 requires that the plan, <br />submitted for approval each year, provide an estimate of ground water diversions and the <br />amount of augmentation water available to replace depletions. <br /> <br />Enforcement of the 1996 Use Rules is critical to the success of Colorado's compliance <br />with the Arkansas River Compact. Adequate resources to implement and enforce the 1996 <br />Use Rules are essential to the overall success of Colorado's efforts. The State Engineer is <br />requesting additional staff and funds through the state's supplemental appropriation process <br />so that staff can be hired and ready to enforce the 1996 Use Rules on April 1, 1996. <br /> <br />28 <br />