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Colorado Springs/Super Ditch Pilot Project - State Engineer's Determination <br />December 6, 2019 <br />Page 15 of 15 <br />* reduce the HCU credit portion of the augmentation station deliveries for the shares <br />attributable to those parcels by 15 percent with the balance of the augmentation station <br />delivery considered a return flow obligation. Adjust volumetric limits accordingly. Or, <br />* provide additional groundwater level monitoring data relevant to those parcels to show that a <br />different reduction or no reduction is necessary. <br />Depth to Groundwater (ft) <br />Percent Reduction in HCU <br />Native Grass <br />Alfalfa <br />1 <br />85 <br />100 <br />2 <br />50 <br />90 <br />3 <br />30 <br />75 <br />4 <br />20 <br />50 <br />5 <br />15 <br />35 <br />6 <br />10 <br />20 <br />7 <br />5 <br />15 <br />8 <br />0 <br />10 <br />Adapted from EVAPOTRANSPIRATION AND AGRONOMIC RESPONSES IN FORMERLY IRRIGATED MOUNTAIN <br />MEADOWS, South Park, Colorado, March 1, 1990; Revised September 1, 1991 <br />Approvals <br />Approved this 6th day of December, 2019. <br />Kevin G. Rein, P.E. <br />Director, State Engineer <br />Attachments: <br />(A) Operating Procedures for Administration of Parcels Claimed for Augmentation Credit <br />(B) December 6, 2019 Groundwater Level Memo from Bill Tyner <br />