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APPENDIX A-5 Cache la Poudre Water Users Augmentation Plan - <br />Plan IDs 0103336, 0203336 & 0303336 <br />The Cache la Poudre Water Users Association is an umbrella organization that covers well users <br />under multiple ditch systems in Larimer and Weld Counties in Water Districts 1 and 3 (see <br />Figure 1). The number of wells associated with the Cache la Poudre Water Users Augmentation <br />Plan (Poudre Plan) from sources reviewed for this effort is summarized in Table 1. <br />Table 1 <br />Wells Associated with Cache la Poudre Water Users Augmentation Plan (Plan ID 0103336) <br />Source Number of Wells <br />W-7921 decree 496 <br />H droBase association (Version 20060816) 843 <br />Tied to acrea e in GIS Irri ated Acrea e Assessment* 709 <br />* Subset of HydroBase association using wells decreed for irrigation with decreed rates greater than 50 gpm and specifically tied <br />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 wells listed in HydroBase may be recharge wells, augmentation wells, or decreed for <br />other uses. <br />• Some wells may have been replaced and the original wells are still included in HydroBase. <br />A number of possible explanations exist for the variation in number of wells tied to acreage from <br />the list of wells in HydroBase, including: <br />• Wells may be mis-located in the GIS coverage and therefore not assigned to irrigated <br />parcel(s). <br />• Wells are not active. <br />• Wells not decreed or decreed for less than 50 gallons per minute. <br />• Wells are decreed for other uses (e.g., augmentation, recharge, domestic, municipal, <br />commercial, stock water, etc.). <br />• The association of a well to the augmentation plan ID may be incorrect in HydroBase. <br />System Overview <br />The Poudre Plan decree, Case No. W-7921 (75), assigned all member wells as alternate points of <br />diversion for all water rights within Water District 3 associated with the 17 mutual ditch <br />companies listed below: <br />1. Ogilvy Land and Irrigation Company (ID 0300937) <br />2. New Cache la Poudre Irrigating Company (ID 0300929) <br />3. North Poudre Irrigation Company (ID 0300905 and 0300994) <br />4. New Mercer Ditch Company (ID 0300913) <br />5. Greeley No. 3 Ditch Company (ID 0300934) <br />6. Jackson Ditch Company (ID 0300912) <br />7. Boxelder Ditch Company (ID 0300926) <br />A-31 of A-106 <br />