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000G47 Ms. Maryanne Bach Page Two December 22, 1998 Official notification from the Division 5 Engineer to begin storing was received on May 11, 1998. Both the 1929 and 1948 Rights were in priority since the Colorado River was running well in excess of 1,250 cfs and it was expected that Green Mountain Reservoir would fill. A letter from the United States Bureau of Reclamation confirming that there was adequate water to fill Green Mountain Reservoir was received by our office on June 24, 1998. It was understood that power interference at Green Mountain Reservoir was to be replaced under arrangements similar to those in past years and that diversions would be terminated if necessary to assure the filling of Green Mountain Reservoir. Colorado Springs Utilities continued to divert water under the 1929 Blue River Water Rights through September 29, 1998. Numerous calls were placed on the Colorado River throughout the 1998 water year. During the 1997-1998 diversion period, 2,120 acre-feet were temporarily stored in the Upper Blue Reservoir. As of September 30, 1998, the Upper Blue Reservoir contained 404 acre-feet. A total of 8,833 acre-feet of 1948 water was transferred through the Hoosier Tunnel during the 1998 water year. On August 26, 1998, Colorado Springs Utilities received a call from the Division 5 Engineer's Office stating that the flow at Dotsero had dropped below 1,408 cfs and the City of Colorado Springs' 1948 water rights were out of priority. Colorado Springs did not divert any 1948 water after August 26, 1998. On September 7, 1998, Colorado Springs Utilities received a call from the Division 5 Engineer's Office stating that the flow at Dotsero had dropped below 1,250 cfs and the City of Colorado Springs' 1929 water rights were out of priority. Colorado Springs Utilities did not divert any 1929 water during the period from September 7, through September 10, 1998. The 1,250 cfs call at Dotsero was removed and Colorado Springs resumed diverting the 1929 water through September 29, 1998. It was determined by the Division 5 Engineer that Green Mountain Reservoir did meet the .paper fill". In accordance with Paragraph 4.(f) of the Stipulation, nine tables with narrative explanations are included with this report. The purpose of these tables is to identify the diversions of the Blue River Project for the 1998 water year deliveries of water to the Colorado Springs' potable system by source, return flows to Colorado Springs Utilities Wastewater Treatment Plant, and utilization of these return flows, specifically the 1948 Blue River return flows. If you have any questions regarding this report, please contact Scott Howell at 719/448-8720. Sincerely, C/1L~'~~ Leah D. Ash Director NOTICE: IF YOU OET ACH ENClOSURES, PLEASE INSERT YOUR CODE NUf\;H3ER ..---- SEH/sc Enclosures c: Gary M. Bostrom Gregory Johnson Philip Saletta g:\isd clerical\corresp\howell\bach1222.doc