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<br />0018J3 <br /> <br />From June 8 through June 14, 1985, hot temperatures and an unusually <br />heavy snowpack in the upper reaches of the Rio Grande basin combined <br />to cause unusually rapid runoff. <br /> <br />The following peak discharges were recorded on the stream gages at Del <br />Norte, Monte Vista, and Alamosa: <br /> <br />Tab 1 e 3 <br /> <br />RECORDED PEAK DISCHARGES IN JUNE, 1985 <br /> <br /> Peak <br />Location Date Time Di scharge <br />De 1 Norte Monday, June 9, 1985 7:00 a.m. 9,040 cfs <br />Monte Vista Monday, June 9, 1985 3:00 p.m. 6,000 cfs <br />Alamosa Wednesday, June 11, 1985 Mi d-nite 4,420 cfs <br /> <br />Future Floods <br /> <br />While the Alamosa community did not experience extensive damages <br />during the flood of June, 1985, larger flood flows will occur in the <br />future which will have a much greater impact on the community. <br /> <br />Under the flood conditions in June, the levee system, for the most <br />part, served its purpose in protecting life and property. As pointed <br />out by the damage survey team, however, there is better than a 1 in 4 <br />chance of a 100-year fl ood ove r the next 30 years. Based on the <br />observations of the damage survey team, City and County officials and <br />representat i ves of the Army Corps of Engi neers, the 100-year fl ood <br />would result in a disaster to the area under current conditions. <br /> <br />An est i mate of annual ri sk of flood damages for future floods is <br />addressed in the next section of this report. <br /> <br />-11- <br />