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APPENDIX A-12 Riverside Canal Augmentation Plan System -Plan ID 0102522 <br />The Riverside Reservoir and Land Company is a mutual ditch and reservoir company in Morgan <br />County on the north side of the South Platte River in Water District 1 (see Figure 1). The <br />Riverside Reservoir and Land Company have adjudicated recharge plan decrees and currently <br />has a pending augmentation plan (Case Nos. 02CW86 and 02CW86(A)). Wells under the <br />Riverside Canal system were historically enrolled in GASP. A number of well users in the <br />Riverside Canal service area operate their own augmentation plans, according to Riverside Canal <br />Company representatives. The Riverside Reservoir and Land Company plan gets a portion of the <br />credits from operating recharge diversions for these various plans under the Riverside Canal. <br />Due to the overlap of various plans, we recommend the following plans, and potentially others <br />not included here, be aggregated to represent the localized geographic extent of well depletions <br />and augmentation due to the integrated nature of operations: <br />• Riverside (ID 0102522) -Case Nos. 02CW86 and 02CW86(A) <br />• Goodrich (ID 0102525) -Case No. W-2919 <br />• Headley (ID 0102536) -Case No. 90CW189 <br />• Sublette (ID 0102725) -Case No. 89CW27 <br />• Equus (ID 0102581) -Case Nos. 86CW386, 87CW52, and 88CW231 <br />The decrees listed above were reviewed for this effort. The National Hog Farms augmentation <br />plan is also operated by the Riverside Reservoir and Land Company. The decree in this case <br />(Case No. 88CW264A) provides 60 percent of its credits to the Riverside Canal augmentation <br />plans. The remaining 40 percent of credits are available to the National Hog Farms as an <br />augmentation source for their wells (see Appendix A-24). <br />The number of wells associated with the augmentation plan system from sources reviewed for <br />this effort is summarized in Table 1. <br />Table 1 <br />Wells Associated with Riverside Canal Augmentation Plan System (Plan ID 6402539) <br />Source Number of Wells <br />Various Riverside decrees* 114 <br />HydroBase associations (Version 20060816)* 117 <br />Tied to acrea e in GIS Irri ated Acrea e Assessment** 88 <br />User interview -Riverside Canal plan only About 100 <br />* Includes wells associated with Plan IDs listed in bullets above table. <br />Subset of HydroBase association based on wells decreed for irrigation with decreed rates greater than 50 gpm and specifically <br />tied to lands in the 2001 Irrigated Acreage Assessment. <br />A number of possible explanations exist for the variation in number of wells listed in the decree <br />versus HydroBase, including: <br />• Some augmentation plan decrees allow wells to be added to the plan without re-adjudicating <br />the plan. <br />• Some of the listed HydroBase wells may be recharge wells, augmentation wells, or decreed <br />for other uses. <br />• Some wells may have been replaced and the original wells are still included in HydroBase. <br />A-63 ofA-106 <br />