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. the existing Barrier Dam. Municipal ities to be provided with supple- mental w<:lter include Pueblo, Colorado Springs, and valley towns. along the Arkansas River. The val ley towns, including Las Animas, wi II be served by a trunk pipel ine about 130 mi les in length extending down- stream from Pueblo Reservoir. In addition, the towns of Crowley, Eads, and Wi ley wi II be served by branch pipel ines -total ing about 36 mi les in length. Hydroelectric power wi I I be generated at seven power plants located on the eastern slope. 36. The Pueblo Reservoir wi I I have a capacity of about 400,000 acre-feet of which 93,000 acre-feet is allocated to flood control. The Corps of Engineers wi I I have the responsibi lity of prescribing regula- tions for the use of the flood control storage, as specified under Section 7 of the 1944 Flood Control Act. About one-third of the Arkansas River Basin above Las Animas wi I I be control led by the Pueblo Dam; however, storms occurring over the large uncontrolled drainage area be low the dam cou Id produce major f loodsat Las An imas. An impor- tant effect of the project with respect to the flood problem at Las Animas wi II be the reduction of flood peaks and frequency of overflow frOm floods originating above Pueblo. It is estimated that if this project had been in operation prior to the 1921 flood, the flood peak of 187,000 c.f.s. at Las Animas would have been reduced to 108,000 c. fos. 37. REMAINING WATER RESOURCES PROBLEMS AND NEEDS.- The existing projects ~nd the authorized projects will make a significant contribu- tion toward meeting the major water resources needs in the Arkansas River Basin. The Trinidad Dam and Reservoir Project wi I I afford <:I high degree of protection to Trinidad and vicini~y from floods on the Purgatoire River, and optimum regulation of river flows for irrigation. In addition, it wi II provide a much-needed recreational faci I ity. The Fryingpan~Arkansas Project wi I I bring additional water into the basin to alleviate irrigation shortages; make more water avai labl@ for mu- nicipal and industrial purposes at Pueblo, Colorado Springs, Las Animas, and other towns; provide hydroelectric power and recreational oppor- tunities; and reduce flooding on the main stem of the Arkan~as River between pueblo and, John Martin Dam. 38. Nevertheless, there wil I be many unsolved problem~, even after completion of the authorized projects. Although Pueblo Dam wi I I reduce flooding on the main stem from Pueblo to John Martin Dam, the uncon- trolled tributary inflow below the dam will cause flood problems at La Junta and Las Animas, and throughout much of the agricultural area. There wi I I be main stem flood problems al~o at Florence, Portland, and other local ities above the Pueblo dam site. Flood problems known to ex i st from tr ibutary streams that wou I d not be affected by the .author i zed projects include Coal Creek at Florence, Dry Creek and Fountain Creek at Pueblo, Fountain Creek at Colorado Springs, King and Anderson Arroyos at La Junta, Huerfano River atWalsenburg, and Wolf Creek at Granada. . 13 ".