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<br />C(2). Weldon a Flood Mitigation Project <br /> <br />Project Description: <br /> <br />The community of Weldon a received significant flooding damage due to a major rainstorm that <br />occurred on July 29 and 30, 1997, During the flooding event, community residents were <br />evacuated by local officials and the National Guard, Many of Weldon a's homes and businesses <br />were damaged as a result of the flood event, Although Weldona is situated along the South <br />Platte River, the recent flooding problems were not associated with overbank flooding from the <br />South Platte, Flood waters originated from Schaefer Draw and another unnamed tributary, <br />located to the north and west of Weldon a, as well as two irrigation canals located north of the <br />community, Weldona does not have any existing flood protection measures and is currently at <br />risk for future flood losses, As a general note, the community has had localized nuisance <br />flooding (street flooding) in the past due to inadequate storm drainage, <br /> <br />The objective of the proposed project is to design and build drainage and flood control <br />improvements in the community that will reduce property damage and loss of infrastructure <br />when future flood events occur, The intended primary means of achieving that objective is to <br />construct facilities that will divert the flood and runoff waters around the community and into the <br />South Platte River. This approach will remove all, but local storm runoff, from draining through <br />the town itself. Very little flooding will be expected, even during a major storm event. The <br />proposed improvements will be designed to alleviate flooding from a IOO-year (or less) flood <br />event, <br /> <br />Benefits: <br /> <br />Estimated Flood Damaaes for Pronosed Proiect Area <br /> <br />111111111111111"illlliIIBlllllrl"1 <br /> <br />2 $122,000,00 $1,000,00 $0 <br /> <br />5 <br /> <br />$122,000,00 <br />$221,000,00 <br />$775,000,00 <br />$902,000,00 <br /> <br />$1,000,00 <br />$2,500,00 <br />$7,500,00 <br />$7,500 00 <br /> <br />$0 <br />$0 <br />$0 <br />$0 <br /> <br />10 <br />50 <br />100 <br /> <br />The damages for the 2-year and 5-year events are the same because the estimatedflood depths <br />for those frequencies are essentially equal, Damages for the remaining frequencies increase due <br />to an increase in the depth of flooding <br /> <br />19 <br />