C150364 Approval Letter - Laserfiche WebLink

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Huerfano County Water Conservancy District Agenda Item 30c September 13, 2013 (Updated September 26, 2013) Page 3 of 5 Alternative 2 — Condemnation of Water Rights: The District was created to assist landowners with water issues. Condemnation was determined to be politically unacceptable to the District's board of directors. Selected Alternative 3 — Camp Ranch Water Rights and Red Wing Augmentation Reservoir: This alternative includes: the purchase of the Camp Ranch and associated water rights, construction of the Red Wing augmentation reservoir; construction of the Camp Ranch recharge facility; and modifications to the Mapes Well No. 1 to convert it from a production well for use as a re- timing well to provide augmentation water directly to the Huerfano River. The District has reached an agreement with the seller to purchase the Camp Ranch and associated water rights. Camp Ranch is located on the Huerfano River approximately four miles upstream of the I -25 crossing. The Camp Ranch water rights include six - sevenths interest in the William Craig Ditch, a one -third interest in the Jose Maria Ditch, and the Mapes Well No. 1. A summary of the water rights is provided in Table 1. TABLE 1: WATER RIGHTS SUMMARY Water Right Decreed Decreed Use Appropriation Adjudication Priority Date Amount Date Date William Craig Ditch 2.4 cfs Irrigation of May 1, 1864 June 12, 1889 - 120 acres Jose Maria Ditch 0.24 cfs Irrigation of May 1, 1873 June 12, 1889 - 12 acres Mapes Well No. 1 1.0 cfs Irrigation of _ _ June 22, 1950 120 acres The District's engineers performed a preliminary analysis on the Project water rights. The results indicated an average 150 AF per year of the historical consumptive use. The dry year yield was about 70 percent of the average yield. At this time, the identified water uses requiring augmentation requirements in the Project sum to an average of about 10 AF annually. Additional water uses requiring augmentation in the Project area are expected. The Project will include the construction of Red Wing Reservoir, a 25 AF, off - channel, lined reservoir near Red Wing, for the storage of consumptive use credits and delayed return flow obligations from the historically irrigated Camp Ranch property. In addition to the Red Wing augmentation reservoir, a recharge facility will be built at Camp Ranch. Water will be delivered to the site(s) via the William Craig Ditch or the Jose Maria Ditch and will then recharge the Huerfano River alluvium. Water delivered to the recharge sites will address replacement of non - irrigation season return flows from the change of the senior water rights, and will provide augmentation credits to the river. The Project also includes the conversion of the Mapes Well No. 1 to an augmentation well to allow the District to pump groundwater directly to the Huerfano River if and when necessary to cover the replacement of any instantaneous depletions owed to the river.