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New Brighton/St. Anthony Basic Water Management Project – Phase 1 Rice Creek Watershed District <br /> <br />5555-221 Revised Final 7 June 10, 2014 <br />2 GOALS AND OBJECTIVES <br />2.1 PROBLEM DESCRIPTION <br />Previous studies by the Cities of New Brighton and St. Anthony and the RCWD have identified flood <br />prone areas that are the focus of this project. The City of Roseville provided details on locations with <br />known flooding issues for this report. Characteristics of the flood prone areas are summarized in Table 1 <br />and locations are shown in Figure 3. Many flooding locations are identified as a result of the recent July <br />2011 precipitation event. Each flood prone area is classified either as a Nuisance or as Property Damage. <br />The purpose of this categorization is to evaluate the severity of the flood risk. Lowering the flood risk at <br />locations categorized as Property Damage issues should be considered the highest priority, and <br />Nuisance locations the lowest. Note that some areas shown on Figure 3 are actually outside of the <br />project area or RCD 2, 3 and 5 watershed boundary. <br />Table 1. Flood Prone Areas <br />Location Description Risk Classification <br />Lakeside Mobile Home Park <br />Water depths up to 2.5 feet were <br />reported during July 2011. No homes <br />were damaged but substructures and <br />outbuildings were flooded. The July <br />2011 observed peak elevation was <br />approximately 0.7 feet above the RCWD <br />100-year regulatory elevation. <br />Property Damage <br />Old Highway 8 Railroad Bridge <br />The roadway was temporarily inundated <br />with floodwater during the July 2011 <br />flood event, but no property damage <br />was reported. <br />Nuisance <br />4th Street NW Low Area <br />During the July 2011 event at least 2 <br />buildings reported damages from flood <br />waters. <br />Property Damage <br />County Road E2 Low Area Multiple properties reported damage <br />from the July 2011 event. Property Damage <br />Freedom Park/Pike Lake Drive <br />Overland flow was directed across <br />private property causing property <br />damage during the July 2011 event <br />once a pond on the drainage system <br />reached its emergency overflow <br />elevation. <br />Property Damage <br />76