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<br />Future Condition - Additional Surface Water Development <br /> <br />A future condition with additional surface water development was <br />established which has the following characteristics: <br /> <br />1. No additional ground-water development in Nebraska. <br /> <br />2. Flows of the Laramie River, Cache la Poudre River, and Lodgepole <br />Creek fully depleted. <br /> <br />3. Narrows, Little Blue, and Prairie Bend projects operational. <br /> <br />This alternative emphasizes additional surface water development. Fully <br />depleting the Cache la Poudre River results in 53,900 acre-feet/year <br />being consumptively used along the Front Range of Colorado. LOdgepole <br />Creek has been dry for a number of years; therefore, no additional <br />water is available for development. With the Narrows Unit operating on <br />the South Pl atte, about 100,000 acre-feet of water can be used for <br />supplemental irrigation and municipal and industrial uses in Colorado <br />annually. The depletions to the Laramie River allows approximately <br />64,000 acre-feet/year to be used for irrigation, municipal, and indus- <br />trial purposes. The Little Blue and Prairie Bend" annual diversions of <br />117,000 and 80,000 acre-feet, respectively, will increase the irrigated <br />acreage in central Nebraska. Table 15 presents the estimated flow <br />conditions for each of the eight points in the study area. <br /> <br />A comparison against the future condition with no additional ground- <br />water development indicates more than a 40 percent decrease in the flows <br />at Julesburg. In Nebraska, flows at Overton and Grand Island decrease <br />by 33 percent and 41 percent, respectively. The effects appear to be <br />reduced in July, August, and September. <br /> <br />56 <br />