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<br />21 <br /> <br />. <br /> <br />. <br /> <br />destructive nature on today's development near the stream, <br />, <br />if they were to occur again. <br /> <br />The flows in the Cache La Poudre fluctuate quite <br />drastically throughout the year. The lowest usually occurs <br /> <br />. <br /> <br />during late fall and winter months. Annual peak flows on <br /> <br />the river normally occur when heavy rains are concurrent <br /> <br />with snowmelt runoff. <br /> <br />. <br /> <br />The high mountain topography of the Poudre River water- <br /> <br />shed above Ft. Collins adds to any flood danger. The narrow <br /> <br />V-shape of the Poudre Canyon and steep gradient of the <br /> <br />. <br /> <br />stream causes the water from high mountain snowmelt and <br /> <br />rains to descend quickly to the flood plains below. <br /> <br /> <br />There have been some dams built within the Cache La <br /> <br />. <br /> <br />Poudre watershed which were not built specifically for <br /> <br />flood control measures. The~e, however, may have contributed <br /> <br />to a reduction in the number of floods in recent times. One, <br /> <br />. <br /> <br />Halligan Reservoir, owned by the North Poudre Irrigation <br /> <br />Company, was built in 1910 for irrigation storage. Another <br /> <br />is the Seaman Reservoir built in 1947 by the city of Greeley <br /> <br />. <br /> <br />for municipal water supply. Both of these reservoirs are <br /> <br />located on the North Fork of the Cache La Poudre River. <br /> <br />. <br /> <br />The trail development along the river will be in the <br />flood plain. This is good U~e for the land which is <br /> <br />unsafe for many purposes. Due to the danger of flooding, <br /> <br />however, recreational develoDment should be constructed to <br /> <br />. <br /> <br />withstand high waters. <br /> <br />. <br />