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<br />I <br />I. <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />Ie <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I- <br />I <br /> <br />2774 e..>~ \.Q:f-.~ <br />..?~~ <br />Table A3.5 - Breakout of Average Water Consumption and Return Flow Fort Lyon Direct Flow System <br />(Helton and Williamsen, PC 1993) <br /> <br />Item <br /> <br />Returned <br />To River <br /> <br />Consumed <br /> <br />HEADGATE DIVERSION <br /> <br />190,991 <br /> <br />Total canal loss (30%) <br /> <br />57,297 <br /> <br /> <br />DELIVERY INTO LATERALS <br /> <br />133,694 <br /> <br />Total Lateral Loss (10%) <br /> <br />13,369 <br /> <br /> <br />DELIVERY TO THE FARMS <br /> <br />120,325 <br /> <br />Total farm loss (26,323%) <br /> <br />31,673 <br /> <br /> <br />CROP CONSUMPTIVE USE AND SOIL EVAP <br /> <br />88,652 <br /> <br />88,652 <br /> <br />o <br /> <br />TOTAL (acre-feet): <br />(percent) : <br /> <br />138,196 <br />72.36 <br /> <br />52,795 <br />27.64 <br /> <br />Notes: 1) All values are averages for the period of compact years 1950-85 as reflected in the <br />Colorado Water Budget and supporting documentation. <br />2) The return flow from recharge to the various aquifers was calculated on an aquifer- <br />wide basis, using the percentages that the stream accretion from valley fill-stream <br />flux, valley fil/-drain flux, and channel outflow were of the total aquifer discharge <br />from the valley fill-stream flux, valley fil/-drain flux, channel outflow, and <br />subirrigation. This approach recognizes historical levels of well pumping and <br />phreatophyte consumption in the aquifers, but does not focus on the specific parts <br />of the aquifers that were affected by the Fort Lyon. <br /> <br />Helton & Williamsen, P,C, - Consulting Engineers in Water Resources <br />A~_" <br /> <br />-, <br />