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<br />o <br /> <br />N <br />C) <br />ef) <br />Q:) <br /> <br /> <br />Mr. David L. Pope and Ms. Mary Louise Clay <br />January 22,1998 <br /> <br /> <br />Page 2 <br /> <br />river reaches where no replacements or only partial replacements were made to replace out-of- <br />priority depletions to senior surface water rights in Colorado. <br /> <br />Table 3 shows the remaining stream depletions caused by irrigation pumping in excess of the <br />pre-Compact entitlements which were not replaced by making replacements to senior surface <br />water rights in Colorado. These stream depletions were computed using the wellhead depletions <br />shown in Table 2 with the GroWld Water AccoWlting Model. Please note that in Reaches I I, 12, <br />and 13, replacements to senior surface water rights in Colorado replaced 0% of the stream <br />depletions caused by pumping affecting those reaches. TIlls percentage reflects the fact that there <br />was a call by a Colorado surface water right in those three reaches on none of the 30 days during <br />November. Also note that in Reaches 14, 15, and 16, replacements to senior surface water rights <br />in Colorado replaced 0% of the stream depletions caused by pumping affecting those reaches. <br />This percentage reflects the fact that there was a call by a Colorado surface water right in those <br />three reaches on none of the 30 days during November. The remaining depletions shown in Table <br />3 are the estimated stream depletions caused by irrigation pumping in excess of the pre-Compact <br />entitlements remaining after replacements were made to senior surface water rights in Colorado. <br />Table 3 also shows the estimated depletions to usable Stateline flow, which were calculated <br />using the assumptions in paragraph 5.B. of the Resolution, and the replacements to Stateline <br />flows which were made during the month. Note that 663.3 acre-feet offully consumable water <br />was required from the Offset Account to replace a portion of the depletions to usable Stateline <br />flow which were estimated to occur during November, 1997. Also, a revised accounting of the <br />replacements for estimated depletions to usable State line flows which were made during the <br />month of October, 1997 is attached as Table 4. The only changes from the previously provided <br />table for replacements made during October, 1997 are the use of 138.6 acre-feet of Fry-Ark <br />return flows used to replace depletions in Reaches I I through 14 caused by qualifYing wells and <br />the subsequent reduction in the use of Offset Account water from 1084.5 acre-feet to 945.6 acre- <br />feet. Under the provisions of paragraph 2 of the Stipulation Re Offset Account in John Martin <br />Reservoir dated March 17, 1997 ("Stipulation"), a portion of the credit of 223 9.25 acre-feet of <br />consumable water which was released earlier this year, as directed by the Kansas Chief Engineer, <br />was credited as replacement of these depletions. At the end of November, 1997, the remaining <br />credit from the previous releases of consumable water produced a credit at the Stateiine of 159.2 <br />acre-feet. <br /> <br />As of November 30, 1997,5327.87 acre-feet of water was being stored in the Offset Account, <br />35 I 9.87 acre-feet of fully consumable water and 1808.00 acre feet of return flow water. <br /> <br />Please contact me if you have any questions or require additional information. <br />