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THE FOUNTAIN RIVER FLOOD PROBLEM Channel straightening and rip- rapping above Pueblo city 20 pile 'jetties along channel bank near Buttes Retaining wall along Monument Creek through Colorado Springs Idlewild extension of Fountain Channel SW of Colorado Springs, and upstream extension of Monu- ment Creek channel N of Colo- rado Springs Templeton Gap Floodway NE of Colorado Springs (replacing earlier levees) No major protection or control works comparable to those built or authorized on the Arkansas main stem in and near Pueblo (the floodway and barrier dam built by the Pueblo Conservancy District at a cost of $5,000,000 in 1923; the Rock Canyon flood control and multipurpose dam authorized by the Bureau of Reclamation at an estimated cost of $35,000,000), are rep- resented in this list. This discrepancy is probably due to: 1) Lack of economic sites for flood control dams; the terrain above Colorado Springs being too precipitous, and that between Colorado Springs and Pueblo too low in relief. 2) Dispersion of vulnerable areas over too many parts of the basin and along too many miles of river bank, tending to make protective works very costly. (See accompanying map, "Areas Subject to Flooding.") Date Prior to 1921 1920-30 1934-35 1937 1938 1939-40 1949 Project Partial channeling of Monument Creek through Colorado Springs Small earth dike along lower channel in Pueblo (Both destroyed in 1935 flood) Levees northeast of Colorado Springs on Templeton Gap outflow Riprap and low levees at various points along the channel within Pueblo ci ty I 6 small debris basins on upper Fountain Page 5 Aqency ci ty? city? Cost ? ? . ci ty? ? rr,hi- way dept. ? private USFS ? WPA & $ 152,000 city WPA 7,400 WPA & 1,500,000 city WPA & 1,400,000 city Corps of Eng. 760,000